Term
| What is chemical bonding? |
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Definition
| Combining of atoms to form a new substance |
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Term
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Definition
| Combination of more than one kind of atom chemically joined together |
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Term
| Is water an example of a compound? |
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Definition
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Term
| What charge does a Proton have? |
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Definition
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Term
| What charge does a neutron have? |
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Definition
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Term
| What charge does an electron have? |
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Definition
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Term
| What is the region called where you find the electrons? |
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Definition
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Term
| What are the valence electrons? |
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Definition
| Electrons found on the outer most energy level. |
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Term
| What makes an atom stable? |
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Definition
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Term
| How easy is it for a stable atom to form a chemical bond with other atoms? |
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Definition
| The stable atoms DO NOT form bonds. |
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Term
| Give an example of an element that has a stable electron configuration. |
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Definition
| Neon, Argon, Helium (Noble Gases) |
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Term
| What will determine whether or not an atom will form a chemical bond? |
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Definition
| The electron arrangement on the outermost energy level. |
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Term
| What do atoms with outer energy levels that are not full have to do to become stable atoms? |
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Definition
| The atom has to either lose or gain electrons. |
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Term
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Definition
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Term
| Explain what happens to make a negative ion. |
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Definition
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Term
| Calcium, Ca, and Fluorine, F, form a compound. What is the formula for the compound? |
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Definition
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Term
| What would a subscript of 2 mean? |
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Definition
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Term
| When Iodine, I, forms a compound with Sodium, Na, what is the name of this compound? |
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Definition
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Term
| How many atoms does the compound NaCl have? |
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Definition
Na (sodium)=1
Cl (chlorine)=1 |
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Term
| When atoms are sharing electrons it is called a _________________ bond. |
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Definition
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Term
| What happens when electrons are transferred? |
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Definition
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Term
| Neon, Helium and Xenon are in a family that contains elements with a ________________. |
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Definition
| Stable electron configuration or full outer energy level |
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Term
| What determines how reactive an element is? |
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Definition
| the number of valence electrons, or the outermost electrons |
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Term
| In order for an atom to achieve a stable electron configuration the atom has to _________________________. |
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Definition
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Term
| Boron and Nitrogen form a new substance what is the formula for the new compound? |
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Definition
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Term
| What is the correct name for MgCl2? |
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Definition
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Term
| The reactants are the substances that are present _____________ a chemical reaction takes place. |
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Definition
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Term
| How can you tell if a compound is Ionic bond or Covalent bond? |
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Definition
Covalent=Non Metal + Non Metal
Ionic=Metal + Non Metal |
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Term
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Definition
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Term
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Definition
| Transferring of electrons; either gain or lose electrons |
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Term
| Name the following compounds.
{NaCl} {BaFl2}
{MnBr2} |
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Definition
| {NaCl - Sodium Chloride}
{BaFl2 - Barium Floride}
{MnBr2 - Manganese Bromide} |
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Term
| Explain what happens to make a positive ion. |
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Definition
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Term
| What part of the atom determines how reactive the element is? |
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Definition
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Term
| What happens to a substance during a Chemical Change? |
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Definition
| CHEMICAL CHANGE is when the substance changes into a new substance. Example: Paper (whole) and then it is burned. Not the same substance. |
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Term
| What is a binary compound? (Give an example) |
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Definition
| Compounds containing only two elements. (MgO) (NaCl) |
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Term
| What happens to a substance during a Physical Change? |
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Definition
| A PHYSICAL CHANGE is when the substance stays the same but looks different. Example: Piece of paper(whole and then torn). |
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Term
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Definition
| 8 valence electrons to fill outer shell |
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Term
| What is the difference between an anion and cation? |
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Definition
Cation = positive charge (+)
Anion = negative charge (-) |
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Term
| Ionic compounds and Covalent compounds are different. Give three differences. |
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Definition
Ionic - Metal + Non Metal
Covalent - Non Metal +Non Metal
Ionic - crystal lattice; Covalent - clumps
Ionic - steals/transfers elections
Covalent - sharing electrons |
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