SLO Test

Circling the atom, these parts of an atom hold a negative charge.

• Neutron

• Electron

• Proton

• Compound

Tags

NGSS.MS-PS1-1

What does the nucleus of an atom contain?

• Electrons and neutrons
• Protons and neutrons
• Neutrinos and positrons
• DNA and RN

Tags

NGSS.MS-PS1-1

Max is hungry and he prepares cereal with milk. This is an example of a: 

• Homogeneous mixture
• Heterogeneous mixture

Which of these is a compound?

• Aluminium (Al)

• Carbon Dioxide (CO2)

• Nitrogen (N)

• Sand

Tags

NGSS.MS-PS1-1

In which mixture can you see all of the parts?

• homogeneous

• heterogeneous

Volume is _______________________.

• the amount of matter an object has.

• the amount of space an object occupies.

• anything that mass and volume.

How many oxygen atoms are in this chemical formula?

• 6 oxygen atoms

• 2 oxygen atoms

• 3 oxygen atoms

• 4 oxygen atoms

Tags

NGSS.MS-PS1-1

Which Chemical Equation is Balanced?

• Fe₄+O₂------4FeO₂+O₂

• 2H₂+O₂-----2H₂O

• 3Cr+4O₂-----2Cr₂O₃

Tags

NGSS.MS-PS1-5

Is this equation balanced or unbalanced? 
H₂ + O₂ --> H₂O

• balanced
• unbalanced

Tags

NGSS.MS-PS1-5

A property that is observed without making changes to the substance.

• Chemical Reaction

• Chemical Property

• Physical Property

• Physical Reaction