Chemical Reactions - Elements, Atoms, and Molecules

An ___________ is the purest form of any substance and is made up of only one type of atom.

• Atom

• Electron

• Element

What is the smallest building block for matter?

• Element

• Proton

• Atom

• Molecule

Atoms are made up of smaller particles called protons, ____________, and electrons.

• neutrons

• elements

• molecules

Tags

NGSS.MS-PS1-1

What particle has a positive charge?

• Proton

• Neutron

• Electron

What particle has a negative charge?

• Proton

• Neutron

• Electron

What particle has a neutral charge?

• Proton

• Neutron

• Electron

What is used to organize elements by the structure of their atoms?

• The Element Table

• The Atom Organizer

• The Periodic Table

• The Element Log

Which of the following are parts of an element on the periodic table? Select all that apply.

• Atomic Mass

• Weight

• Name

• Color

What part of the element is the arrow pointing to?

• Symbol

• Name

• Atomic Number

• Atomic Mass

What part of the element is the arrow pointing to?

• Symbol

• Name

• Atomic Number

• Atomic Mass