Atoms and The Periodic Table Flashcards

1

How do you know how many electrons are in an atom?

The Average Mass - Atomic Number
Same as protons
Average Mass
Same as neutrons

2

What element is this?

Boron
Beryllium
Flourine
Neon

3

How many valence electrons does this atom have?

8
10
18
2

4

Which parts of the atom have mass?

Protons and Electrons
Electrons and Neutrons
Protons and Neutrons
None of them have mass

5

What atom has an atomic number of 73?

Germanium
Nobelium
Tantalum
Titanium

6

How many neutrons does potassium (K) have?

21
39
20
19

7

How many electrons fit in the first ring of the cloud?

8
2
8
18

8

How many neutrons are in Calcium (Ca)?

21
18
20
19

9

What atom has 14 protons?

Oxygen
Nitrogen
Helium
Silicon

10

What element is this?

oxygen
helium
carbon
hydrogen

11

How do you know how many neutrons are in an atom?

Same as electrons
Atomic #
Average Mass - Atomic #
Same as protons

12

How do you know how many protons an atom has?

Atomic Number
Ask Mrs. Z!
You can never know
Average Mass

13

What is a valence electron?

Electrons closest to the neucleus.
Electrons in a valence atom
The outermost electrons
There is no such thing

14

How many neutrons are found in Uranium (U)? (Hint: Look @ bottom left of the periodic table)

146
238
92
100

15

How many valence electrons are in this atom?

2
10
11
1

Atoms and The Periodic Table

Questions 15

Atoms and The Periodic Table

Questions 15