Variables, Metals, Metalloids, Non - Metals, and More Flashcards

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1
Q

What is an Independent variable?

A

A variable that changes the outcome.

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2
Q

What is a Dependent variable?

A

The outcome that depends on the other variables.

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3
Q

What is a Constant variable?

A

a variable that always stays the same.

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4
Q

What is a control group?

A

the control group is the same from the start, it is not experimented on.

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5
Q

what is a atom

A

Smallest building block of matter

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6
Q

what is a isotope

A

An element with a different # of neutrons

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7
Q

What is an Ion

A

An atom with a positive or negative charge

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8
Q

What is an element

A

Composed of many atoms of the same kind.

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9
Q

what do we use mL for

A

finding volume

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10
Q

What is a graduated cylinder used for

A

measuring the volume

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11
Q

what is a pipette used for

A

To transport a measured volume of liquid

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12
Q

what is a beaker

A

to hold a reaction or to hold liquid or solid samples.

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13
Q

what is a flask

A

for making reactions and for measuring volume

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14
Q

Where are the metals located on the periodic table

A

To the left of the staircase

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15
Q

where are the non metals located

A

To the upper right of the staircase

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16
Q

where are the semi metals located

A

On the staircase

17
Q

Are there any metal properties exceptions

A

Mercury is a liquid at room temperature

18
Q

Are there any non metal properties exceptions

A

Graphite and Iodine are shiny and have luster

19
Q

Are there any semi metal properties exceptions

A

Silicon is brittle

20
Q

What are some metal properties

A

malleable, good conductors, metallic, shiny

21
Q

What are some non metal properties

A

liquid, solid, or gas, not shiny, bad conductors

22
Q

What are some semi metal properties

A

solids, usually have a metallic luster

23
Q

What direction do periods go

A

horizontal

24
Q

What direction do groups go

A

vertical

25
Q

What is matter?

A

It is every where/ takes up space

26
Q

What charge do protons have

A

Has a positive charge

27
Q

What charge do electrons have

A

Negative charge

28
Q

What charge do Neutrons have

A

No charge/ neutral

29
Q

How do you find the number of neutrons in atom

A

subtract the # of protons from the Mass #

30
Q

What is the Mass number

A

the atomic mass but rounded

31
Q

What are examples of a physical change

A

changing shape, predicted color change, changing from a liquid to a gas or a solid or vis versa.

32
Q

What are examples of a chemical change

A

burning, rotting, rusting, baking, combustion