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chem test > metals vs non-metals > Flashcards

metals vs non-metals Flashcards

1
Q

Where are metals found?

A

On the left side of the staircase.

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2
Q

Where are non-metals found?

A

On the right side of the staircase.

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3
Q

What kind of charge do metals have?

A

A positive charge.

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4
Q

What kind of charge non-metals have?

A

A negative charge.

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5
Q

What kind of charge do protons have?

A

A positive charge.

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6
Q

How do you find the amount of protons in an element?

A

The atomic number.

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7
Q

What kind of charge do electrons have?

A

A negative charge.

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8
Q

How do you find the amount of electrons in an element?

A

the atomic number.

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9
Q

What is an element?

A

A pure substance that can not be broken up by another pure substance.

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10
Q

What is a compound

A

A pure substance that is made up of 2 or more elements.

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11
Q

What is an atom?

A

The smallest particle of an element.

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12
Q

What is a molecule?

A

The smallest particle of a compound.

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13
Q

About how many atoms are there?

A

About 100 due to there being about 100 elements.

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14
Q

Are the molecules in a compound identical?

A

Yes.

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15
Q

What is a reactant?

A

The chemical(s) you start out with

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16
Q

Where is the reactant?

A

On the left side of the arrow

17
Q

What is the product?

A

The product of the chemicals combined

18
Q

Where is the product?

A

On the right side of the arrow

19
Q

What is the atomic number?

A

The amount of protons in an element.

20
Q

What is the mass number?

A

The total amount of protons and neutrons in an element

21
Q

where are metalloids found?

A

along the staircase line

22
Q

where are alkali metals found?

A

coloumn 1

23
Q

where are alkaline earth metals found?

A

coloumn 2

24
Q

where are halogens found?

A

coloumn 17

25
Q

where are noble gasses found?

A

coloumn 18

26
Q

how many shells can electrons hold in bhor models in the first 4 shells

A

2, 8, 8, 18

27
Q

what is a diatomic element?

A

two atoms that are chemically bonded

28
Q

What are the 7 diatomic elements?

A

hydrogen, nitrogen, fluorine, oxygen, iodine, chlorine, bromine

29
Q

what is an ionic bond?

A

the force attraction between positive and negative ions

30
Q

how do ionic bonds distrubute electrons?

A

they either donate or gain ions

31
Q

what is a covalent bond?

A

two negatively charged ions combined together

32
Q

how do covalent bonds distrubute electrons?

A

they share electrons

33
Q

what are 6 observations to prove a chemical reaction has happend

A

temperature change (hot/cold), materials change in colours, gas may be produced, bubbles forming, new sounds, smells.

chem test (1 decks)

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