Atomic Theory and Periodic Table Vocab

An atomic model is:

• A representation of the structure of an atom

• A type of chemical reaction

• A model of a molecule

• A theory about the universe

Tags

NGSS.MS-PS1-1

• What are the smaller particles that make up the the atom?

• Atoms

• Molecules

• Subatomic particles

• Cells

Tags

NGSS.MS-PS1-1

The nucleus of an atom is:

• The central part of an atom containing protons and neutrons

• The outer shell of an atom containing electrons

• A particle with no charge

• A type of chemical bond

Tags

NGSS.MS-PS1-1

Neutrons are subatomic particles that have which charge?

• They have a positive charge.

• They have a negative charge.

• They have no charge.

• They have a variable charge.

Tags

NGSS.MS-PS1-1

Protons are

• Negatively charged particles
• Positively charged particles
• Neutral particles
• Particles with no charge

Tags

NGSS.MS-PS1-1

Electrons are:

• Positively charged particles

• Negatively charged particles

• Neutral particles

• Particles with no charge

Tags

NGSS.MS-PS1-1

NGSS.MS-PS2-3

• What is the electrical property of an atom, determined by the balance between its positively charged protons and negatively charged electrons?

• • The charge

• The mass

• The energy level

• The number of neutrons

Tags

NGSS.MS-PS1-1

What is a neutral charge?

• A charge with equal numbers of protons and electrons

• A charge with more protons than electrons

• A charge with more electrons than protons

• A charge with no protons or electrons

What is a negative charge?

• more protons than electrons

• more electrons than protons

• the number of neutrons

• no electrons

Tags

NGSS.MS-PS2-3

What is a positive charge?

• more protons than electrons

• more electrons than protons

• the number of neutrons

• no electrons

Tags

NGSS.MS-PS2-3