Free Printable Atomic Structure

Worksheets

Atomic Structure

Total questions: 18

Worksheet time: 9mins

Name

Class

Date

Calculation used to find the number of neutrons in an atom

Atomic Mass - Atomic Number

Atomic Number - Atomic Mass

Atomic Mass - Electrons

none of these

Arrangement of elements organized by atomic number

Electron Cloud

Periodic Table

Electron Configuration

None of these

A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass

Electron Shells

Orbitals

Electron Cloud

Nucleus

Where electrons are likely to be found as they travel around the nucleus

Nucleus

Electron Cloud

Within a Proton

Within a Neutron

A charged atom

Ion

Isotope

Electron Cloud

Quark

Subatomic particles that are neutral in charge

Neutrons

Protons

Nucleus

Electrons

Measure mainly of the nuclear particles: protons + neutrons

Subatomic Particles

Atomic Number

Atomic Mass

Gluons

Subatomic particles with a positive charge

neutrons

atomic mass

protons

isotopes

Subatomic particles with a negative charge

Electrons

Neutrons

Protons

Quarks

10.

How many electron shells/levels does this atom have?

11.

A horizontal row of elements in the periodic table

Molecule

Period

Family

Atom

12.

A combination of two or more atoms

Period

Molecule

Atom

Family

13.

A chemical bond between two atoms where one or more electrons are passed from one atom to another. When they give up electrons, each of the atoms should have a filled shell. An example is the sodium chloride bond.

Ionic bond

Hydrogen bond

Element

Covalent bond

14.

What is the atomic number?

15.

How many protons and electrons does this element have?

16.

How many neutrons does Chlorine have?

17.

How many neutrons does calcium have?

18.

What would He (Helium) be categorized as on the periodic table?

Nonmetal

Metal

Noble gas

Transitional metal

Reset

Atomic Structure

Total questions: 18

Worksheet time: 9mins

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