Chemistry: Periodic table

Question 1

Which of these has the lowest Ionization energy?

Accepted Answer

Boron

Question 2

Which metals on the periodic table are the most reactive?

Accepted Answer

Alkali metals

Question 3

Which of the following elements has the highest electron affinity?

Accepted Answer

Fluorine

Question 4

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

Accepted Answer

Noble gases

Question 5

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

Accepted Answer

Transition metals

Question 6

Groups on the periodic table are arranged

Accepted Answer

Vertically

Question 7

Which accurately describes nonmetals?

Accepted Answer

Poor conductors of electricity

Question 8

Which has the greater ionization energy?

Accepted Answer

N

Question 9

Which section are all radioactive?

Accepted Answer

Actinides

Question 10

Which has the largest atomic radius?

Accepted Answer

Lithium

Question 11

Which of the following is a general trend for the electronegativity of elements in the periodic table?

Accepted Answer

Increases from left to right; increases from bottom to top

Question 12

Most elements on the periodic table are classified as __________.

Accepted Answer

Metals

Question 13

Which group of elements is un-reactive?

Accepted Answer

Noble Gases

Question 14

Which of the statements about electronegativity is correct?

Accepted Answer

Non-metals have a higher electronegativity than metals

Question 15

Which group of elements have a ns2 electron configuration?

Accepted Answer

Alkaline-earth metals

Question 16

This 17th group is named _________ because they have a tendency to form salts with group 1 elements.

Accepted Answer

Halogens

Question 17

Why are noble gases unreactive?

Accepted Answer

Completely filled outer shell

Question 18

Which has the the smallest atomic radius?

Accepted Answer

Br

Question 19

Which of the following is the correct definition for electronegativity?

Accepted Answer

The amount of energy to attract or bond electrons

Question 20

How many periods are there in the periodic table?

Accepted Answer

7

Question 21

Which is the correct definition for ionization energy?

Accepted Answer

The amount of energy used to remove one electron.

Question 22

How are elements in the periodic table organized?

Accepted Answer

Based on physical and chemical properties

Question 23

Each horizontal row on the periodic table is called what?

Accepted Answer

Period

Question 24

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

Accepted Answer

Copper (Cu), Gold (Au)

Chemistry: Periodic table

Questions 24

Chemistry: Periodic table

Questions 24