Regents Chemistry Review

A group of elements that are shiny, conduct heat and electricity well is called

• Metals

• Non-metals

• Metalloids

What is made up two or more elements that are chemically combined?

• Atom

• Element

• Compound

• Mixture

Tags

NGSS.MS-PS1-5

Which of these is a property of metals?

• Malleable

• Very brittle

• Can't conduct electricity

What does the nucleus of an atom contain?

• Electrons and neutrons

• Protons and neutrons

• Electrons and protons

• DNA

Metals are located on what size of the periodic table?

• left

• right

• the stairway

• the bottom

Which is an example of an heterogenous mixture?

• soy sauce

• salad

• tea

• guacamole

What does the atomic number tell you?

• The number of protons in the nucleus

• The element's place on the periodic table

• Both answers are correct.

• Neither answer is correct.

What is the law of conservation of mass?

• Mass cannot be created nor destroyed in a chemical reaction.

• Mass can be created but not destroyed in a chemical reaction.

• Mass can be destroyed but not created in a chemical reaction.

• Mass can be created and/or destroyed in a chemical reaction.

Tags

NGSS.MS-PS1-5

Which subatomic particles are in the nucleus? Check all that apply.

• Electrons

• Neutrons

• Protons

• None of the above

Where are electrons located in an atom?

• Outside the nucleus

• Inside the nucleus

• Electrons don't exist in atoms