Basic Atomic Structure

What is everything, living and nonliving, made up of?

• Molecules

• Elements

• Compounds

• Mixtures

Tags

NGSS.MS-PS1-1

Which of the following is an example of an element?

• Water

• Carbon

• Salt

• Sugar

Which of the following statements is true about atoms in elements?

• Atoms in elements are always identical

• Atoms in elements can have slightly different structures

• Atoms in elements are always different

• Atoms in elements are a combination of different types

Tags

NGSS.HS-PS1-7

Which statement is correct about the structure of atoms?

• All atoms have the same structure.

• Different atoms can have different structures.

• The structure of atoms is not important.

• Atoms do not have any structure.

Which subatomic particle is found in the nucleus and has no charge?

• Proton

• Neutron

• Electron

• Photon

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-8

What is the charge of an electron?

• Positive

• Negative

• Neutral

• Variable

Which subatomic particle is positively charged and located in the nucleus?

• Proton

• Neutron

• Electron

• Photon

What is the charge of an atom with 11 protons and 12 electrons?

• +1

• -1

• 0

• +2

What is the difference between Carbon-12 and Carbon-14?

• The number of neutrons

• The number of protons

• The number of electrons

• The number of atoms

What does the term "bonds" refer to in chemistry?

• How atoms stick together

• How elements are separated

• How molecules are broken down

• How compounds are dissolved

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-4