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Periodic Table
Atomic Structure
Valence Electrons
Isotopes
Vocabulary
100

  1. The order of elements in the periodic table is based on 

a. the number of protons in the nucleus. 

b. the electric charge of the nucleus.

C. the number of neutrons in the nucleus.

D. atomic mass.

The number of protons in the nucleus

100

  1. The atomic number of oxygen, 8, indicates that there are eight

a. protons in the nucleus of an oxygen
atom.

b. neutrons outside the oxygen atom's nucleus.

c. energy levels in the oxygen atom's nucleus

protons in the nucleus of the oxygen atom

100

  1. Phosphorus 

    Symbol:

Total Electrons:

Valence Electrons:

P

15

5

Draw the Electron cloud diagram on the board

100

Oxygen-16

Protons

Neutrons

Electrons

Isotope Notation

8

8

8

8

Write Isotope Notation on board

100

An electron that is in the highest occupied energy level of an atom

Valence Electron

200

  1. Atoms of elements that are in the same group have the same number of

    1. protons. 

    2. Neutrons.

    3. valence electrons. 

    4. protons and neutrons

Valence Electrons

200

  1. Chlorine has atomic number 17 and mass number 35. It has

a. 35 protons, 35 electrons, and 17 neutrons.

b. 18 protons, 18 electrons, and 17 neutrons.

c. 17 protons, 17 electrons, and 18 neutrons.

17 protons, 17 electrons, and 18 neutrons

200

  1. Magnesium 

    Symbol:

Total Electrons:

Valence Electrons:

Mg

12

2

Draw the Electron cloud diagram on the board

200

Bromine-80

Protons

Neutrons

Electrons

Isotope Notation

35

35

35

45

Write Isotope Notation on board


200

Atoms of a given element that have different numbers of neutrons and different mass numbers

isotope

300

  1. . Carbon and other nonmetals are found in which area of the periodic table?

    1.  on the left-most side

    2.  on the right side

    3. in the middle column of the periodic table

    4. in the bottom rows

On the right side

300

  1. The electrical charge of a neutron is…

  2. hot

  3. Positive

  4. neutral

  5. Negative

neutral

300

  1. Potassium

    Symbol:

Total Electrons:

Valence Electrons:

K

19

1

Draw the Electron cloud diagram on the board

300

Uranium-235

Protons

Neutrons

Electrons

Isotope Notation

92

92

92

143

Write Isotope Notation on board

300

A visual model of the most likely locations for the electrons in an atom

electron could

400

  1. Each column of the periodic table is

    1. an element. 

    2. an isotope.

    3.  a group. 

    4. a period.

a group

400

The region outside the nucleus where an electron can most probably be found is the

a. electron cloud.

b. s sublevel. 

c. electron configuration.

electron cloud

400

  1. Krypton

    Symbol:

Total Electrons:

Valence Electrons:

Kr

39

8

Draw the Electron cloud diagram on the board

400

Copper-64

Protons

Neutrons

Electrons

Isotope Notation

29

29

29

35

Write Isotope Notation on board

400

An atom or group of atoms that has a positive or negative charge

Ion

500

  1. Valence electrons determine an atom's

a. mass. 

b. electric charge.

C. chemical properties. 

D. period.

Chemical properties

500

  The main energy level that can hold only two electrons is the 

a. second. 

b. First.

 c. third

first

500

  1. Boron

    Symbol:

    Total Electrons:

    Valence Electrons: 

B

5

3

Draw the Electron cloud diagram on the board

500

iodine- 128

Protons

Neutrons

Electrons

Isotope Notation

53

53

53

75

Write Isotope Notation on board

500

The elements in group 8 of the periodic table that have a full outer shell

Noble Gases