Elements and Compounds

What is the chemical symbol for the element Oxygen?

• O

• Ox

• Oy

• Om

Tags

TEKS.SCI.7.6A

Which of the following is a compound?

• H

• O

• N

Tags

TEKS.SCI.7.6A

• Both have the same number of atoms.

Tags

TEKS.SCI.7.6A

Which of the following best describes a molecule?

• A single atom of an element.

• A group of atoms bonded together.

• A mixture of different elements.

• A type of chemical reaction.

Tags

TEKS.SCI.7.6A

• NaCl

• He

Tags

TEKS.SCI.7.6A

• It is made of two different elements chemically bonded.

• It is a single type of atom.

• It cannot be broken down into simpler substances.

• It is a mixture of gases.

Tags

TEKS.SCI.7.6A

Which of the following statements is true about elements and compounds?

• Elements can be broken down into simpler substances.

• Compounds are made of two or more elements chemically combined.

• Compounds consist of only one type of atom.

• Elements are made of two or more compounds.

Tags

TEKS.SCI.7.6A

Which of the following statements is true about elements and compounds?

• Elements can be broken down into simpler substances.

• Compounds are made of two or more elements chemically combined.

• Compounds consist of only one type of atom.

• Elements are made of two or more compounds.

Tags

TEKS.SCI.7.6A

• 6 Carbon, 12 Hydrogen, 6 Oxygen

• 12 Carbon, 6 Hydrogen, 6 Oxygen

• 6 Carbon, 6 Hydrogen, 12 Oxygen

• 12 Carbon, 12 Hydrogen, 12 Oxygen

Tags

TEKS.SCI.7.6A

• 2 Hydrogen, 1 Sulfur, 4 Oxygen

• 1 Hydrogen, 2 Sulfur, 4 Oxygen

• 4 Hydrogen, 2 Sulfur, 1 Oxygen

• 2 Hydrogen, 4 Sulfur, 1 Oxygen

Tags

TEKS.SCI.7.6A