Periodic Table 2018-19

Question 1

An element is observed to be malleable and lustrous. Most likely to be a...?

Accepted Answer

sodium

Question 2

The elements in column 6A (16) are known as the… take a deep breath

Accepted Answer

chalcogens.

Question 3

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

Accepted Answer

92

Question 4

Which element is a metal: Ca or Cl?

Accepted Answer

Ca

Question 5

Which element is a liquid at room temperature: Ba or Br?

Accepted Answer

Br

Question 6

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

Accepted Answer

Alkaline-earth metals

Question 7

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

Accepted Answer

Transition metals

Question 8

Which group of elements is un-reactive?

Accepted Answer

Noble Gases

Question 9

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

Accepted Answer

Noble gases

Question 10

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

Accepted Answer

Weak conductor of electricity, solid at room temperature

Question 11

How many periods are there in the periodic table?

Accepted Answer

7

Question 12

The elements in column 4A (14) are known as the…

Accepted Answer

carbon family

Question 13

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

Accepted Answer

Copper (Cu), Gold (Au)

Question 14

Groups on the periodic table are arranged

Accepted Answer

Vertically

Question 15

How are elements in the periodic table organized?

Accepted Answer

Based on physical and chemical properties

Question 16

Mendeleev organized his periodic table by increasing…

Accepted Answer

atomic mass

Question 17

Which element is the most active metal?

Accepted Answer

Fr

Question 18

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

Accepted Answer

Halogens

Question 19

Which of the following correctly describes why the halogens are so reactive?

Accepted Answer

Halogens want to gain one valence electron.

Question 20

Which group on the periodic table is the most reactive?

Accepted Answer

Alkali metals

Question 21

Most elements on the periodic table are classified as __________.

Accepted Answer

Metals

Question 22

Which element is an alkali metal: K or Al?

Accepted Answer

K

Question 23

Each horizontal row on the periodic table is called what?

Accepted Answer

Period

Question 24

Which accurately describes nonmetals?

Accepted Answer

Poor conductors of electricity

Periodic Table 2018-19

Questions 24

Periodic Table 2018-19

Questions 24