A
B
C
D
100

Which chemical bond is based on electron sharing?

Covalent bond

100

What is the symbol for the element gold?

Au

100

 What property measures how much mass is contained in a given volume?

density

100

Which group contains the alkali metals?

1st group/ 1A group

200

What is the element with the atomic number 16?

silicon

200

What is the lightest element on the periodic table?

Hydrogen

200

What is the process called when a solid turns directly into a gas without passing through the liquid state?

sublimation

300

What is the center of an atom called?

nucleus

300

What is the name of product when you combine 4 hydrogens and a carbon atom?

methane

300

What type of bond is formed between a metal and a non-metal?

ionic

400

Who is considered the father of modern chemistry?

Antoine Lavoisier

400

 Who proposed the planetary model of the atom?

Niels Bohr

400

What is the name of Thomson's atom model?

plum pudding model

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