Periodic Table Mania

Question 1

The sum of the number of protons and neutrons inside the nucleus is called the __________.

Accepted Answer

mass number

Question 2

How many total electrons does an oxygen ion (O-2) contain?

Accepted Answer

10

Question 3

Valence electrons are located _________.

Accepted Answer

in the outer orbital shell

Question 4

The ionic radius of a metal is __________ the atomic radius of the parent atom.

Accepted Answer

smaller than

Question 5

What is the noble gas configuration for Potassium (19)?

Accepted Answer

[Ar] 4s1

Question 6

A column on the periodic table can also be called a ________ or a ___________.

Accepted Answer

group / family

Question 7

Which listing below shows the proper charges of the subatomic particles?

Accepted Answer

p = +1 n = 0 e = -1

Question 8

Who organized the first periodic table based the elements' atomic masses?

Accepted Answer

Mendelev

Question 9

How many total electrons would an ion of magnesium (Mg+2) contain?

Accepted Answer

10

Question 10

To become a negative ion, an atom must ____________.

Accepted Answer

gain electrons

Question 11

Which of the following is an example of a homogeneous mixture?

Accepted Answer

air

Question 12

The modern periodic table, which is based on atomic number, was developed by ________.

Accepted Answer

Moseley

Question 13

Which orbital diagram follows Hund's Rule?

Accepted Answer

↑↓ ↑↓ ↑ ↑ ↑

Question 14

Which of the following is an example of a heterogeneous mixture?

Accepted Answer

sand

Question 15

Transition metals are located in which sub-shell or orbital block on the periodic table?

Accepted Answer

d - block

Question 16

Which of the following is the correct electron configuration for Phosphorus (15)?

Accepted Answer

1s22s22p63s23p3

Question 17

Elements between Group II and the metalloids are called ___________.

Accepted Answer

transition metals

Question 18

Elements on the modern periodic table are ordered according to their _________.

Accepted Answer

atomic numbers

Question 19

The number of protons an atom contains is identified by the ____ ____ on the periodic table.

Accepted Answer

atomic #

Question 20

Halogens are found in what sub-shell or orbital block on the periodic table?

Accepted Answer

p - block

Question 21

An atom, as shown on the periodic table, is neutral because it contains equal numbers of

Accepted Answer

protons and electrons

Question 22

The weighted average mass of all the isotopes for a given atom is known as the _____ _____.

Accepted Answer

atomic mass

Question 23

Which subatomic particles are located inside the nucleus of an atom?

Accepted Answer

protons & neutrons

Question 24

A row on the periodic table is also called a ________.

Accepted Answer

period

Question 25

Atoms of the same element that have a different number of neutrons are called ____________.

Accepted Answer

isotopes

Question 26

Carbon-13 and Carbon-14 are examples of _______________ for the carbon element.

Accepted Answer

isotopes

Question 27

Elements that have chemical and physical properties of both metals and nonmetals are _____.

Accepted Answer

metalloids

Question 28

Group 1 elements are also called ____________.

Accepted Answer

alkali metals

Question 29

The ionic radius of a nonmetal is ________ the atomic radius of the parent atom.

Accepted Answer

larger than

Question 30

Elements in group VII are called ____________.

Accepted Answer

halogens

Question 31

How many neutrons does Rb-85 contain?

Accepted Answer

48

Question 32

To become a positive ion, an atom must ___________ .

Accepted Answer

lose electrons

Periodic Table Mania

Questions 32

Periodic Table Mania

Questions 32