3/3- Quiz #3 Review

Question 1

What is the definition of ionic bonds?

Answer 1

Attraction between negative and positive ions

Question 2

What is the definition of covalent bonds?

Answer 2

Sharing electrons between atoms of non metals

Question 3

What makes a positive ion?

Answer 3

Atoms of METALS have property to give away (lose) electrons

Question 4

What makes a negative ion?

Answer 4

Atoms of NONMETALS have property to gain electrons

Question 5

If an atom loses electrons does it become a positive or negative ion?

Answer 5

Positive

Question 6

If an atom gains electrons does it become a positive or negative ion?

Answer 6

Negative

Question 7

Atoms of nonmetals or metals share electrons with each other?

Answer 7

NONMETALS

Question 8

Is an ionic unit (unit of ions it formula unit) a unit of positive and negative ions?

Answer 8

True

Question 9

Is a molecule a unit of nonmetals or metals which share electrons?

Answer 9

NONMETALS

Question 10

Are H, Cl, O, Ca metals or Nonmetals?

Answer 10

H, Cl, O- nonmetals

Ca- metal

Question 11

Are C, S, Ca, and Na atoms, molecules or units of ions?

Answer 11

Atoms

Question 12

Are H2, O2, and Cl2 atoms, molecules or units of ions?

Answer 12

Molecule

Question 13

Are CO, CO2, SO2, N2O, H2O, and NH3 atoms, molecules or units of ions?

Answer 13

Molecules because it’s nonmetal and nonmetal

Question 14

What are bonds between nonmetals called?

Answer 14

Covalent

Question 15

Are NaCl, CaO, Mg3N2, and Al2O3, atoms, molecules or units of ions?

Answer 15

Units of ions

Question 16

Bond between metal and nonmetal is?

Answer 16

Ionic

Question 17

What are the properties of a molecule?

Answer 17

Covalent bonds

Share electrons

Nonmetal and nonmetal

Molecular (covalent)

Question 18

What are the properties of units of ions?

Answer 18

Ionic (ionic compound)

Positive and negative ions

Metal and nonmetal

Question 19

What is the positive and negative ions of NaCl?

Answer 19

Na- positive ion

Cl- negative ion

Question 20

Are C, Ca, Mg and S an element or compound?

Answer 20

Element

Question 21

Are H2, O2 and Cl2 an element or compound?

Answer 21

Element

Question 22

Are HCl, H2O, NH3, CO, CO2, molecular or ionic compound?

Answer 22

Molecular

Question 23

Are NaCl, CaO, and Mg3N2 molecular or ionic compounds?

Answer 23

Ionic compounds

Question 24

Molecular elements such as H2, O2 and Cl2 are also what?

Answer 24

Diatomic