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How are elements organized?

Chemistry

9th - 12th Grade

Used 30+ times

How are elements organized?
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18 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In developing his periodic table, Mendeleev listed on cards each element’s

name, atomic mass, and

atomic number.

electron configuration

isotopes.

properties.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mendeleev’s periodic table did not always list elements in order of increasing

atomic mass because he grouped together elements with similar

properties.

atomic numbers.

densities.

colors

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mendeleev predicted that the gaps in his periodic table represented

isotopes.

radioactive elements.

permanent gaps.

undiscovered elements.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The person whose work led to a periodic table based on increasing

atomic number was

Moseley

Mendeleev.

Rutherford.

Cannizzaro.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An electron that is found in the outermost shell of an atom and determines

the atom’s chemical properties is called a(n)

valence electron.

paired electron.

p electron.

octave electron.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The periodic law states that the physical and chemical properties of

elements are periodic functions of their atomic

masses.

numbers.

radii.

structures

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Refer to a periodic table. In which period is calcium?

Period 2

Period 4

Period 6

Period 8

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