Question

1. Ionic bonding involves the ________ of electrons, whereas covalent bonding involves the _______ of electrons.
A. transfer, sharing
B. removal, gain
C. sharing, loss
D. transfer, gaining

2.
Which scientist found that gas expands to fill the space of a container and is made of particles that can move?
A. Bohr
B. Boyle
C. Dalton
D. Democritus

3. When acids contact metal, they are ______.
A. protective
B. corrosive
C. non-reactive

4. Different types of matter melt at different temperatures.
True
False

Answer 1

1:A

3:B
4: true
let me think about 2

Answer 2

im pretty sure numkber 2 is Dalton

Answer 3

U sure it's not Boyle?

Answer 4

yea cuz i dont think boyle worked with gas but i cud be wrong

Answer 5

Boyle is the one who defined the gas laws that gave us the inverse relationship between pressure and volume. Dalton gave us PV=nRT and the concept of partial pressures. Given the two scientists, and the wording of the question, I would lean towards Boyle.

Answer 6

1.D
2.B
3.B
4.True