Periodic Table and Trends

Question 1

Bromine (Br) has how many valence electrons?

Accepted Answer

7

Question 2

Carbon (C) has how many electrons?

Accepted Answer

6

Question 3

Vertical columns on the periodic table are called what?

Accepted Answer

groups

Question 4

What is the oxidation number for Nitrogen?

Accepted Answer

-3

Question 5

Which element is an alkali metal?

Accepted Answer

Lithium (Li)

Question 6

Moving from top to bottom, ionization energy will __________.

Accepted Answer

Decrease

Question 7

Moving from top to bottom, atomic radius will __________.

Accepted Answer

Increase

Question 8

Going from left to right, atomic radius will __________.

Accepted Answer

Decrease

Question 9

What is the oxidation number for Ca?

Accepted Answer

+2

Question 10

Carbon (C) has how many valence electrons?

Accepted Answer

4

Question 11

Bromine is in what group?

Accepted Answer

7A

Question 12

Which atom has the highest atomic radius?

Accepted Answer

Thallium (Tl)

Question 13

Moving from top to bottom, electronegativity will __________.

Accepted Answer

Decrease

Question 14

If you were to draw a Bohr model, how many orbital shells would a Carbon (C) atom have?

Accepted Answer

2

Question 15

Carbon (C) is in which period?

Accepted Answer

2

Question 16

What is the oxidation number for Sulfur?

Accepted Answer

-2

Question 17

Carbon has how many protons?

Accepted Answer

6

Question 18

Going from left to right, electronegativity will __________.

Accepted Answer

Increase

Question 19

Horizontal rows in the periodic table are called what?

Accepted Answer

periods

Question 20

Going from left to right, ionization energy will __________.

Accepted Answer

Increase

Question 21

Which atom has the lowest ionization energy? (Energy required to remove electrons)

Accepted Answer

Barium (Ba)

Questions 21