RoR, Atomic Theory - Unit 1

Question 1

What is a compound ?

Answer 1

A substance made up of two or more elements that are chemically joined together

Question 2

What are solvents, solutes, and solutions?

Answer 2

Solvent is where it went
Solute is what you put
Solution is what your producing

Question 3

What is the gas test for Carbon dioxide?

Answer 3

Turns limewater cloudy

Question 4

What is the gas test for hydrogen?

Answer 4

Burns with a squeaky pop

Question 5

What is the gas test for oxygen?

Answer 5

Relights a glowing splint

Question 6

What does the ending of -ide mean?

Answer 6

contains the two elements obvious from the name

Question 7

What does the ending of -ite and -ate mean?

Answer 7

Contains the two elements obvious from the name and oxygen

Question 8

How do you increase rate of reaction ?

Answer 8

Increase temperature, increase concentration, decrease particle size, addition of a catalyst

Question 9

What is a catalyst?

Answer 9

Substances which speed up the rate of reaction without being used up by the reaction

Question 10

what does APE stand for?

Answer 10

Atomic number = number of protons = number of electrons

Question 11

What is the mass, charge, and location of a proton?

Answer 11

Mass = 1
Charge = +1
Location = nucleus

Question 12

What is the mass, charge, and location of a neutron?

Answer 12

Mass = 1
Charge = neutral
Location - nucleus

Question 13

What is the mass, charge, and location of an electron?

Answer 13

Mass = negligible
charge = -1
Location - energy levels

Question 14

How can the number of neutrons be found ?

Answer 14

Mass number - Atomic number

Question 15

How can mass number be found?

Answer 15

Protons + Neutrons