Question 1

Periodic means that it happens

Accepted Answer

at regular intervals

Answer

annually

Answer

rarely

Answer

randomly

Question 2

Periodic law says that

Accepted Answer

the properties of elements change periodically with the elements' atomic numbers

Answer

elements are either solid, liquid or gas and cannot change phases

Answer

the properties of atoms are indivisible

Answer

some elements change states for short periods of time

Question 3

The vertical columns on the periodic table are called

Accepted Answer

groups

Answer

properties

Answer

periods

Answer

rows

Question 4

The elements on the right side of the zigzag line are called

Accepted Answer

nonmetals

Answer

metals

Answer

semiconductors

Answer

metalloids

Question 5

Most metals are liquid at room temperature

Accepted Answer

False

Answer

True

Question 6

Which group or family is the most reactive metals and always found combined with other elements in nature?

Accepted Answer

alkali metals

Answer

boron group

Answer

alkaline-earth metals

Answer

noble gases

Question 7

Which family has two valence electrons?

Accepted Answer

alkaline-earth metals

Answer

alkali metals

Answer

nitrogen group

Answer

halogens

Question 8

This family in column 17 has very reactive nonmetals.

Accepted Answer

halogens

Answer

carbon group

Answer

noble gases

Answer

nitrogen group

Question 9

Which group is the largest?

Accepted Answer

metals

Answer

metalloids

Answer

nonmetals

Question 10

Which group consists of very unreactive stable nonmetals that have complete outer energy levels?

Accepted Answer

noble gases

Answer

actinides

Answer

transition metals

Answer

halogens

Question 11

Which family takes up most of the periodic table?

Accepted Answer

transition metals

Answer

actinides

Answer

halogens

Answer

lanthanides

Question 12

Group 13 is the Boron Group.  Which element is the most common in this group?

Accepted Answer

aluminum

Answer

indium

Answer

boron

Answer

gallium

Question 13

Which element is known as the basis of life because of its ability to create organic compounds?

Accepted Answer

carbon

Answer

aluminum

Answer

nitrogen

Answer

oxygen

Question 14

Which family or group has 5 electrons in the outermost energy level?

Accepted Answer

nitrogen

Answer

boron

Answer

carbon

Answer

oxygen

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