Matter Vocab (Chem Wk 1)

In an atom, the electrons ________.

• form the nucleus

• travel rapidly around the nucleus

In an atom, protons and neutrons ________.

• form the nucleus

• travel rapidly around the nucleus

Tags

NGSS.MS-PS1-1

What do we call the bond formed by the combination of electrons?

• Ionic Bond

• Chemical Bond

• Covalent Bond

• Metallic Bond

Fill in the blank: Water is a compound made of two hydrogen atoms and one ______ atom.

• A) Carbon

• B) Oxygen

• C) Nitrogen

• D) Helium

Tags

NGSS.MS-PS1-1

Which of the following statements is true about compounds?

• They are made of the same elements

• They are made of different elements bonded together

• They are individual atoms

• They are mixtures of gases.

Tags

NGSS.MS-PS1-1

What does the chemical formula H2O represent?

• Two hydrogen atoms and one oxygen atom

• Two oxygen atoms and one hydrogen atom

• Two nitrogen atoms and one oxygen atom

• Two carbon atoms and one hydrogen atom

Tags

NGSS.MS-PS1-1

What is a substance composed of atoms of two or more DIFFERENT elements bonded by chemical bonds?

• Compound

• Element

• Mixture

• Molecule

Tags

NGSS.MS-PS1-1

What is a substance composed of two or more atoms of the SAME element bonded by chemical bonds?

• Compound

• Element

• Mixture

• Molecule

Tags

NGSS.MS-PS1-1

What is a pure substance composed of a single type of atom?

• Compound

• Element

• Mixture

• Molecule

What is a substance composed of two or more substances mixed together? They are not in fixed proportions and are not chemically bonded.

• Compound

• Element

• Mixture

• Molecule