Elements, Mixtures and Compounds and the Periodic Table

Question 1

Are semi conductors

Accepted Answer

metalloids

Question 2

Have 1 or 2 valence electrons

Accepted Answer

metals

Question 3

Are not shiny and not malleable

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nonmetals

Question 4

How are metalloids simlar to metals

Accepted Answer

some are good conductors of electricity

Question 5

When calculating the atomic mass you add

Accepted Answer

protons and neutrons

Question 6

A horizontal row of elements is called a(n)

Accepted Answer

Period

Question 7

How do elements join to form compounds

Accepted Answer

in specific ratios

Question 8

When two or more elements join together chemically

Accepted Answer

a compound is formed

Question 9

Which of the following will increase the solubility of a gas in a liquid?

Accepted Answer

decrease the temperature of the liquid

Question 10

To the left of the zig zag line on the periodic table and has the most elements

Accepted Answer

Metals

Question 11

A colloid has properties of both suspensions and

Accepted Answer

solutions

Question 12

Describes something that occurs or repeats at regular intervals

Accepted Answer

perodic

Question 13

How Mendeleev organized the periodic table by

Accepted Answer

by atomic mass

Question 14

Tells the number of protons in an atom

Accepted Answer

atomic number

Question 15

How could a sugar cube dissolve more quickly in water?

Accepted Answer

crush the sugar cube

Question 16

How is a compound different from a mixture?

Accepted Answer

each substance in a compound loses its characteristic prop

Question 17

A substance that cannot be separated or broken down into simpler substances

Accepted Answer

element

Question 18

When elements form mixtures, the elements

Accepted Answer

keep their original properties

Question 19

A vertical column of elements that share the same number of valence electrons

Accepted Answer

Group

Question 20

How Mosely organized the periodic table

Accepted Answer

by atomic number

Question 21

To the right of the zigzag line on the periodic table and a majority of them are gases

Accepted Answer

nonmetals

Question 22

A postivietly charges particle in the atom

Accepted Answer

proton

Question 23

The flammability of a substance is

Accepted Answer

a chemical property

Question 24

If a spoonful of salt is put into water-what is the water called

Accepted Answer

solvent

Question 25

The particles in both a solution and a colloid

Accepted Answer

can pass through a fine filter

Question 26

Which of the following best describes chicken noodle soup?

Accepted Answer

mixture

Question 27

What is formed when particles of two or more substances are disturbed evenly among each other

Accepted Answer

solution

Elements, Mixtures and Compounds and the Periodic Table

Questions 27

Elements, Mixtures and Compounds and the Periodic Table

Questions 27