Chapter 2

Question 1

Halogens

Answer 1

Fluorine, chlorine , bromine, iodine, and astatine, Griup 7A or 17, reacts with metal to form salts (aggressive reactions and multiple states)

Question 2

Alkali metal

Answer 2

Reaction forms alkaloids (strong bases) Group 1, Li, Na, K, Rn, Cs, F, reactive, 1 valence

Question 3

Alkaline earth metal

Answer 3

Group 2, Also react with water create strong bases, reactive, 2 valence electrons,,
Be, Mg, Ca, Arm Ra

Question 4

Noble gases

Answer 4

Group 8A or 18, Stable, odorless , non flammable, monotone gases that have low chemical reactivity, He, At, Ne, Kr, Xe, Og, Rn

Question 5

Atomic mass/number (z)

Answer 5

Number of protons

Question 6

Mass number

Answer 6

protons + #neutrons

Question 7

Metals

Answer 7

Luster, shine, conductor of heat and electricity (left side) tend to lose electrons in chem change

Question 8

Nonmetals

Answer 8

Does not exhibit metal characteristics (right and hydrogen ) all states, tend to gain electrons

Question 9

Metaloids

Answer 9

Both characteristics (staircase thingy)

Question 10

Cations

Answer 10

Positively charged ion (electron lost)

Question 11

Anions

Answer 11

Negatively charged (ion gained)

Question 12

Predicting Ionic charge

Answer 12

Based on valence electrons

Question 13

Nuclide symbol

Answer 13

A/Z X

A= mass number (protons neutrons)
Z= atomic number

Question 14

Molecule

Answer 14

Two or more atoms of an element are bonded together

Question 15

Periods

Answer 15

Horizontal row

Question 16

Groups

Answer 16

Vertical column

Question 17

Isotope

Answer 17

Element same number of protons different number of neutrons

Question 18

Listing Compounds

Answer 18

Metals then nonmetals (typical ionic are metal and non metal)

Question 19

Ionic compouns

Answer 19

Compound formed by ionic bonding

Question 20

Polyatomic Ions

Answer 20

Ion composed of more than one atom

Question 21

Ionic symbol

Answer 21

A/Z X OR X-Z

Question 22

Fractional abundance (atomic mass)

Answer 22

(Fraction of isotope 00.00 x mass of isotope)