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WMS Atom Test

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Last updated 21 days ago
26 questions
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Question 1
1.

A positively charged subatomic particle found in the nucleus of an atom is

Question 2
2.

A negatively charged particle located outside the atom's nucleus is

Question 3
3.

A subatomic particle that has no charge and that is found in the nucleus of an atom is

Question 4
4.

A center of an atom is

Question 5
5.

An area around the center of the atom where electrons are located

Question 6
6.

Which part of an atom makes up most of its mass?

Question 7
7.

The smallest particle of an element that still retains the element's properties is

Question 8
8.

How many electrons are in the element in the picture?

Question 9
9.

What is the atomic mass of the element in the picture?

Question 10
10.

How many neutrons are in the element in the picture?

Question 11
11.

Given the atomic number 17, the mass number 36, how many neutrons does it have?

Question 12
12.

What is the atomic symbol of the element in the picture?

Question 13
13.


How many protons are in the element in the picture?

Question 14
14.

An element's ________________ is the same as the number of protons in the nucleus of its atoms.

Question 15
15.

Which determines the identity of an element?

Question 16
16.

Using the image, what is the atomic number?

Question 17
17.

Draw an atom model of the element in the picture. Label all subatomic particles, charges, and place them in the proper locations.

Question 18
18.

What part of an atom has a mass of 0?

Question 19
19.

What part of an atom has the mass of 1 amu? (more than one answer)

Question 20
20.

A proton has a charge of a -1.

Question 21
21.

The number of electrons in an atom of an element is the element's atomic number.

Question 22
22.

Adding the number of protons and neutrons in an atom results in the

Question 23
23.

The first energy level of an atom holds _____ electrons. The second energy level of an atoms holds ______ electrons. The third energy level holds ______ electrons. The fourth energy level holds _____ electrons.

Question 24
24.

Which symbol represents carbon?

Question 25
25.

The element beryllium (Be, atomic number 4 and atomic mass 9) is right above magnesium (Mg, atomic number 12 and atomic mass 24) in the periodic table. How many more electrons does magnesium have than beryllium?

Question 26
26.

Which is the correct symbol for the element sodium?