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Ch 7 - Chemistry > Kahoot Questions > Flashcards

Flashcards in Kahoot Questions Deck (63)
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1

The molecular weight of each element is determined by the

Protons and neutrons

2

When positive and negative ions join they are held together by

Ionic bond

3

When two different elements are chemically united it is called a

Compound

4

The smallest particle of a compound that contains all of the chemical properties of that compound is called

Molecule

5

The unifying concept used to organize elements and their similarities is called the

Periodic law

6

This is suspension of small particle solids by creating a supporting structure to prevent settling is called

Thickeners

7

Organic acids extracted from natural sources such as fruits, sugar and milk are called

Hydroxy acids

8

Ingredients used in cosmetic products to keep them firm yet soft and easy to apply to the skin are called

Fatty acids

9

What is a common ingredient that is compatible with both water and oil

Emulsifiers

10

What is used to prevent skin inflammation and damage due to free radicals

Antioxidants

11

The even dispersion of a solid substance in a liquid base is called

Suspension

12

A mixture of two or more compounds in which each component is evenly dispersed is called a

Solution

13

What is a common example ingredient of silicone that makes a product feel soft, especially sunscreen

Dimethicone copolyol

14

What term refers to the simplest form of chemical matter

Elements

15

What is the most abundant element found on earth

Oxygen

16

What is the general composition of air by volume

One part oxygen
Four parts nitrogen

17

What does ionization create

Two new ions with opposite electrical charges

18

What color does a base turn red litmus paper

Blue

19

What is a characteristic of suspensions

Slightly miscible

20

What is an example of oil and water emulsion

Moisturizer

21

Are inorganic substances flammable

No

22

True or false

The atoms of each element are different in structure from the atoms of all other elements

True

23

True or false

When a substance is oxidized the oxidizer is always reduced

True

24

True or false

Suspensions contain smaller particles than solutions do

False

25

True or false

A disadvantage of oil in water emotions is that they will not easily rinse away with water

False

26

A combination of substances held together by physical ties is a

Mixture

27

The special type of oil used in nail polish dryers as well as a skin protectant is a

Silicone

28

What do you call the separating of a substance into ions

Ionization

29

When making wine the sugar in grapes converts into

Ethyl alcohol

30

What do you call the liquid used to dissolve a substance when creating a solution

Solvent