Materials and Reaction Types

Question 1

Half-Life?

Answer 1

The time for half a substance to decay

Question 2

Isotopes?

Answer 2

Isotopes are atoms with the same number of protons but different neutrons

Question 3

Cation?

Answer 3

Positively Charged Ion

Question 4

Anion?

Answer 4

Negitivaly charged ion

Question 5

Compound?

Answer 5

substance of two or more elements chemically bonded

Question 6

Elements?

Answer 6

pure substance of one atom type

Question 7

Hydrogen Gas test?

Answer 7

Pop sound with lit splint

Question 8

Oxygen Gas Test?

Answer 8

Relights glowing splint

Question 9

Carbon dioxide Gas test?

Answer 9

Turns limewater milky

Question 10

Balancing Chemical Equations?

Answer 10

Balancing Chemical Equations involves adjusting reactants and products of coefficients to equalize each atom type on both sides

Question 11

Atomic Number?

Answer 11

Atomic number is the number of protons

Question 12

Mass Number?

Answer 12

Mass number is the sum of protons and nuetrons

Question 13

Metal Properties?

Answer 13

Conductive, shiny, malleable, and ductile

Question 14

Non-metal Properties?

Answer 14

Poor conductors, brittle and dull

Question 15

Monomers and Polymers?

Answer 15

monomers are single units (glucose) and polymers are chains of monomers (starch, proteins)

Question 16

neutralization?

Answer 16

Acid + Base —-> salt + water

Question 17

Displacement?

Answer 17

More Reactive elements replaces another

Question 18

Precipitations?

Answer 18

two solutions form a solid

Question 19

Decompisition?

Answer 19

substances breaks down

Question 20

combustion?

Answer 20

Substance burns in Oxygen

Question 21

Acid-metal

Answer 21

Acid + Metal —-> Slat + Hydrogen

Question 22

Acid + Carbonate

Answer 22

Acid + Carbonate —-> Salt + Carbon dioxide + Water