Science Midterm Chapter 10

Question 1

The metals in groups 3-12 are named the

Answer 1

Transition metals

Question 2

An element key shows the name, symbol, state of matter, atomic number, and

Answer 2

Mass number

Question 3

The first periodic table, created by Mendeleev, was organized by the physical property

Answer 3

Atomic Mass

Question 4

This group can react with metals and form salts, they all end with -ine

Answer 4

Halogens

Question 5

What describes a metal’s ability to reflect light

Answer 5

Luster

Question 6

96% of the mass of your body comes from just four elements in which group

Answer 6

Nonmetals

Question 7

This group will not naturally react with the other elements

Answer 7

Noble gasses

Question 8

What is the most common element found in the universe, making up roughly 75% of the elemental mass

Answer 8

Hydrogen

Question 9

Mosely solved the problem with Mendeleev’s table by ordering things based on

Answer 9

Atomic number

Question 10

The group that contains semiconductors is the

Answer 10

Metalloids

Question 11

Which group represents gases at room temperature

Answer 11

nonmetals

Question 12

If a piece of gold that has a mass of a paper clip can be pulled into a wire that is more than 3 Km long, this is the property of

Answer 12

Ductility

Question 13

Patterns in properties are easily observed in the rows of the table, we call these

Answer 13

Periods

Question 14

Alkali metals are in the first column of the periodic table, we call these collumns

Answer 14

Groups

Question 15

All of the elements to the left of group 12 are metals except

Answer 15

Hydrogen

Question 16

The metals in group 2 are called

Answer 16

Alkaline earth metals

Question 17

Metals that are very reactive and have low densities are found in the group named

Answer 17

Alkali metals

Question 18

Which group represents the majority of the table

Answer 18

Metals