Chem 512 Unit 3 Periodic Table Review

Question 1

When barium becomes an ion:

Accepted Answer

it loses electrons.

Question 2

What do all the isotopes of an element have in common?

Accepted Answer

# of Protons

Question 3

What is a cation?

Accepted Answer

positively charged ion

Question 4

All atoms want to have 8 electrons in their outermost shell.

Accepted Answer

Octet Rule

Question 5

What is the correct isotope symbol for Boron-11?

Accepted Answer

11B

Question 6

What is the most common isotope of Beryllium?

Accepted Answer

Be-9

Question 7

How many neutrons would Nitrogen-15 have?

Accepted Answer

8

Question 8

What is the mass number of an atom who has 30 protons, 32 neutrons and 30 electrons?

Accepted Answer

62

Question 9

Which family on the periodic table doesn't react with any other elements?

Accepted Answer

Noble Gases

Question 10

The 4th period halogen.

Accepted Answer

Bromine

Question 11

Winterfell is the traditional home of which family?

Accepted Answer

House Stark

Question 12

What element is pictured below? (Key: + protons, O neutrons, - electrons)

Accepted Answer

Sulfur

Question 13

The element, Delboccium, De-10 (10%) and De-11 (90%). Calculate the Atomic Mass.

Accepted Answer

10.9

Question 14

The transition metal with 32 neutrons.

Accepted Answer

Cobalt

Question 15

A neutral atom of carbon has this many electrons.

Accepted Answer

6

Question 16

How many neutrons are in 30Al?

Accepted Answer

17

Question 17

A row on the periodic table is called a:

Accepted Answer

period.

Question 18

How many electrons would the ion of magnesium (+2) have?

Accepted Answer

10

Question 19

The element with 3 rings and 4 valence electrons.

Accepted Answer

Silicon

Question 20

How many protons does Uranium-235 have?

Accepted Answer

92

Questions 20