Question

Would some please check my answers? Only five questions! Multiple choice! :)

1. Why do many metals have high melting points?

a. The electrostatic forces between anions and cations hold the substance together tightly.

b. The electrostatic forces between multiple valence electrons and cations hold the substance together tightly.

c. The electrostatic forces between anions and cations hold the substance together loosely.

d. The electrostatic forces between multiple valence electrons and cations hold the substance together loosely.

I think it's b. Is that right?

Answer 1

2. Which of the following could be easily shaped into a piece of jewelry?

a. NaCl

b. Ag

c. CaF2

d. FeO

I think it's b: Ag which is Silver.

Answer 2

3. Which of the following has carbon atoms interspersed with iron atoms in its molecular structure?

a. bauxite

b. hematite

c. steel

d. malachite

It's c. steel. Yes?

Answer 3

Last two...

4. Which substance would shatter if you hit it with a hammer?

a. table salt

b. steel

c. bronze

d. copper


5. In its native state, which of the following elements has bonds between many cations and a sea of valence electrons?

a. Cl

b. He

c. Zn

d. N

It's a. table salt and then c.

Answer 4

Correct?

Answer 5

I agree with your answers based on the choices given.

Answer 6

http://www.chemguide.co.uk/atoms/bonding/metallic.html See this site for a more thorough explanation.

Answer 7

Thank you!

Answer 8

No worries :)