Periodic Table

Question 1

Which of the following elements is a semi-metal?

Accepted Answer

Silicon (Si)

Question 2

Of these elements which has the highest ionization energy: Be, Mg, Ca, Sr

Accepted Answer

Be

Question 3

Which of these elements is the least reactive: K, Na, Li, Rb

Accepted Answer

Li

Question 4

What kind of ion will phosphorus form?

Accepted Answer

-3

Question 5

Which of these elements is radioactive?

Accepted Answer

Californium (98)

Question 6

How many valence electrons does Sulfur (S) have?

Accepted Answer

6

Question 7

Which of these is a transition metal?

Accepted Answer

Cobalt (Co)

Question 8

Of these elements which has the highest electronegativity: N, O, F, Cl

Accepted Answer

F

Question 9

What kind of ion will Magnesium form?

Accepted Answer

+2

Question 10

Of these elements which has the lowest electron affinity: K, Ca, Ga, Br

Accepted Answer

K

Question 11

Which of these elements belongs to group 2 of the periodic table?

Accepted Answer

Calcium (Ca)

Question 12

Arrange these in order of increasing size: S, S2-, S2+

Accepted Answer

S2+<S<S2-

Question 13

Which of these element has the lowest electron affinity: K, Ar, S, Mg

Accepted Answer

Ar

Question 14

Of these elements which has the lowest ionization energy: N, O, F ,Ne

Accepted Answer

O

Question 15

Of these 4 elements which is the biggest: F, Cl, Br, I

Accepted Answer

I

Question 16

Of these elements which is the smallest: Al, Si, P, S

Accepted Answer

S

Questions 16