Question

1. Which of the following is a metalloid?
a. copper
b. silver
c. oxygen
d. silicon

2. What is the symbol of iron?
a. I
b. Fe
c. In
d. Na

3. Atoms. of different elements combine to form a molecule of
a. an element
b. a compound
c. both a and b
d. cannot say​

Answer 1

Answer:

$1)silicon \: is \: a \: metalloid$

it shows both properties of metals and nonmetals

$2)Fe \: is \: symbol \:$

Latin name is ferrum

$both \: a \: and \: b$

Answer 2

Answer:

a) silicon

b) Fe

c) a compound