C2 Atomic Structure Flashcards Preview

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Flashcards in C2 Atomic Structure Deck (28)
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1

What subatomic particles are in the nucleus in an atom?

Protons and neutrons

2

What subatomic particle goes around the nucleus in an atom?

Electrons

3

What is the charge on a proton?

+1

4

What is the charge on a neutron?

0

5

What is the charge on an electron?

-1

6

Do atoms have a charge, why?

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

7

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

6

8

What order are the elements in the modern periodic table?

Atomic number

9

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

Atomic number

10

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

Yes

11

How many protons has Lithium?

3

12

How many electrons has Lithium?

3

13

How do you calculate the number of neutrons in Lithium?

Mass number- atomic number = 7-3=4

14

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

2

15

How many electrons can occupy the second shell?

8

16

How many electrons can occupy the third shell?

8

17

Draw the electron structure of a Lithium atom.

18

How many outer electrons have the elements in group 1?

1

19

How many outer electrons have the elements in group 6?

6

20

What is the electron configuration for Lithium?

2,1

21

What is a compound?

Substance containing 2 or more elements chemically bonded together

22

Which electrons are involved in chemical bonding?

Outer electrons

23

What happens to electrons when they are involved in bonding?

Transferred or shared

24

What is the relative mass of a proton?

1

25

What is the relative mass of a neutron?

1

26

What is the relative mass of an electron?

1/1840

27

What is the mass number?

Number of protons and neutrons

28

What is an atom of the same element with a different number of neutrons?

isotope