Chemistry Test

Elijah, Kai, and Avery are studying atomic structure. They are looking at a diagram of an atom. What part of the atom is a. pointing to in their diagram?

• Electron Cloud

• Protons

• Neutrons

• Nucleus

Tags

NGSS.MS-PS1-1

Ava, Avery, and Emma are studying atomic structure. They are looking at a model of an atom in their science class. They notice that b. is pointing to a specific part of the atom. What part of the atom is it pointing to?

• Electron Cloud

• Protons

• Neutrons

• Nucleus

Tags

NGSS.MS-PS1-1

• heterogeneous mixture
• homogeneous mixture

Ava, Harper, and Kai are working on a science project about the Periodic Table. They noticed that the vertical (up and down) columns are called something specific. What are these columns called?

• groups

• towers

• periods

• atomic numbers

Select the two particles that carry a charge.

• neutrons

• electrons

• protons

Tags

NGSS.MS-PS2-3

Aria, Sophia, and Mason are conducting an experiment in their science class. They observe that electrons have a ________ charge. What type of charge do they observe?

• positive

• negative

• neutral

Tags

NGSS.MS-PS2-3

• heterogeneous mixture
• homogeneous mixture

Melted Chocolate is known as what type of mixture?

• heterogeneous mixture
• homogeneous mixture

During a science experiment, Nora, James, and David are asked to create a heterogeneous mixture. Which combination should they use?

• gravel and water

• sugar and water

• powdered milk and water

• powdered coffee and water

What part of the diagram is b. pointing to?

• Electron Cloud

• Protons

• Neutrons

• Nucleus

Tags

NGSS.MS-PS1-1