Chemistry: Periodic Table

Question 1

Which accurately describes nonmetals?

Accepted Answer

Poor conductors of electricity

Question 2

Elements with an atomic number higher than __ are not found naturally.

Accepted Answer

92

Question 3

How many periods are there in the periodic table?

Accepted Answer

7

Question 4

How are elements in the periodic table organized?

Accepted Answer

Based on physical and chemical properties

Question 5

Groups on the periodic table are arranged

Accepted Answer

Vertically

Question 6

Which properties most accurately describe the element silicon (Si)?

Accepted Answer

Weak conductor of electricity, solid at room temperature

Question 7

Which pair of elements would have similar properties due to the position in the periodic table?

Accepted Answer

Copper (Cu), Gold (Au)

Question 8

Most elements on the periodic table are classified as __________.

Accepted Answer

Metals

Question 9

Each horizontal row on the periodic table is called what?

Accepted Answer

Period

Question 10

Which group of elements does not melt or change when placed in fire?

Accepted Answer

Alkaline-earth metals

Question 11

This group is named _________ because they have a tendency to form salts with group 1 elements.

Accepted Answer

Halogens

Question 12

Which group of elements on the periodic table are all gases at room temperature?

Accepted Answer

Noble gases

Question 13

Which group of elements is un-reactive?

Accepted Answer

Noble Gases

Question 14

Which group includes some of the most familiar elements like nickel, iron, and copper?

Accepted Answer

Transition metals

Question 15

Which group on the periodic table is the most reactive?

Accepted Answer

Alkali metals

Questions 15