C1 Atoms, periodic table and chemical reactions Flashcards Preview

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Flashcards in C1 Atoms, periodic table and chemical reactions Deck (49)
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1

What is an element?

A substance that contains only one type of atom

2

What substances are found in the periodic table?

Elements

3

Where are the metals found in the periodic table?

Left hand side

4

What is the symbol for oxygen?

O

5

What is the symbol for sodium?

Na

6

Where are substances found with similar properties?

In the same group

7

What subatomic particles are in the nucleus in an atom?

Protons and neutrons

8

What subatomic particle goes around the nucleus in an atom?

Electrons

9

What is the charge on a proton?

+1

10

What is the charge on a neutron?

 0

11

What is the charge on an electron?

-1

12

Do atoms have a charge, why?

No because the number of positive protons equal the number if negative electrons

13

A carbon atom has 6 protons how many electrons will it have?

6

14

What order are the elements in the modern periodic table?

Atomic number

15

How do you calculate the number of protons in an element?

Equal to the atomic number

16

Do you always get the same number of protons in an element?

Yes

17

How many protons has Lithium?

3

18

How do you calculate the number of neutrons in Lithium?

Mass number- atomic number = 7-3=4

19

How many electrons can occupy the first (inner) shell?

 2

20

How many electrons can occupy the second shell?

8

21

How many electrons can occupy the third shell?

8

22

Draw the electron structure of a Lithium atom.

23

How many outer electrons have the elements in group 1?

 1

24

How many outer electrons have the elements in group 6?

6

25

What is the electron configuration for Lithium?

2,1

26

What is a compound?

Substance containing 2 or more elements chemically bonded together

27

Which electrons are involved in chemical bonding?

Outer electrons

28

What happens to electrons when they are involved in bonding?

Transferred or shared

29

What is the relative mass of a proton?

1

30

What is the relative mass of a neutron?

1