Question

#1: Arsenic is a metalloid. How many valence electrons does arsenic have?

A. 3

B. 4

C. 5

D. 6

**my answer; C. 5

is that right?

Answer 1

#2: Which of the following elements is a metalloid?

A. sodium

B. iron

C. silicon

D. cadmium

**ym answer: C. silicon

is that right?

Answer 2

#3: Which of the following lists the elements in order of decreasing malleability?

A. Sn, Sb, Se

B. Sb, Sn, Se

C. Se, Sb, Sn

D. Se, Sn, Sb

**my answer: A

is that correct??

Answer 3

#4: Which of the following groups contains mostly radioactive elements?

A. inner transition metals

B. nonmetals

C. metals

D. halogens
**my answer: A. inner transition metals

is that right??

Answer 4

not sure about 3, but 1 and 2 are correct

Answer 5

4D is correct

Answer 6

okay :) thanks!! :)

Answer 7

3A might be right, but idk

Answer 8

okay :) thanks!!

Answer 9

so #4 is D. halogens??

Answer 10

oh my bad, 4A lol

Answer 11

so 4A?? the correct answer is inner transition metals right??

Answer 12

yeah

Answer 13

kk thnaks!!