Periodic Table-Chemistry

Question 1

As you go from left to right across a period, the first ionization energy generally

Accepted Answer

increases

Question 2

Elements within the same family/group on the periodic table have this is in common

Accepted Answer

the number of valence electrons

Question 3

A negative ion is _______ than its parent atom

Accepted Answer

larger

Question 4

Elements in group 18 are called

Accepted Answer

noble gases

Question 5

Elements across a period have the same

Accepted Answer

energy level

Question 6

What is the name given to the most active group of metals on the periodic table?

Accepted Answer

alkali metals

Question 7

What is the name given to the most active group of nonmetals?

Accepted Answer

halogens

Question 8

Usually, as you travel down a group, the atomic size

Accepted Answer

increases

Question 9

Positive ions are called

Accepted Answer

cations

Question 10

Which of the following has the lowest electronegativity?

Accepted Answer

cesium

Question 11

Usually, as you go from left to right across a period, the atomic size

Accepted Answer

decreases

Question 12

Elements in groups 3-12 are called

Accepted Answer

transition metals

Question 13

A positive ion is ________ than its parent atom.

Accepted Answer

smaller

Question 14

Which of the following has the highest electronegativity?

Accepted Answer

chlorine

Question 15

Elements of group 2 on the periodic table are called

Accepted Answer

alkaline earth metals

Question 16

As you go down a group, the first ionization energy gernerally

Accepted Answer

decreases

Question 17

negative ions are called

Accepted Answer

anions

Question 18

An element that is shiny, brittle, and a semiconductor would be classified as a

Accepted Answer

metalloid

Question 19

Elements on the periodic table are arranged according to their

Accepted Answer

atomic number

Question 20

As you go from left to right across the periodic table, the elements go from

Accepted Answer

metals/nonmetals

Question 21

The majority of elements in the periodic table are

Accepted Answer

metals

Questions 21