WMS Atom Test

Last updated over 2 years ago
26 questions
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1

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

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1

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

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1

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

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1

A center of an atom is

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1

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

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1

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

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1

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

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1

Using the image, what is the atomic number?

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1

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

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1

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

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1


How many protons are in the element in the picture?

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1

How many neutrons are in the element in the picture?

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1

How many electrons are in the element in the picture?

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1

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

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1

Which determines the identity of an element?

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4

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

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1

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

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1

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

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1

What part of an atom has a mass of 0?

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2

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

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1

A proton has a charge of a -1.

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1

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

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4

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.

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1

Which symbol represents carbon?

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1

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?

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Which is the correct symbol for the element sodium?