PS Mid Unit One Exam

Last updated 4 months ago
20 questions
1

What is the state of matter for water at 100°C?

1

Which particle has a positive charge?

1

What state of matter has a definite volume but no definite shape?

1

What is the charge of a neutron?

1

What forms the nucleus of an atom?

1

What do we call substances made of two or more elements?

1

Which state of matter has no fixed volume or shape?

1

Which particles are found outside the nucleus?

1

What is the atomic number of an element?

1

What can change a solid directly into a gas?

1

What do atoms combine to form?

1

Which state of matter contains particles that vibrate in place?

1

What happens to gas particles when cooled?

1

How are metals generally characterized on the periodic table?

1

What is the process of changing a gas to a liquid called?

Required
1

Identify how many valence electrons are found in the atom model below.

1

What are valence electrons?

1

Which group on the periodic table contains noble gases?

1

Which group contains reactive metals?

1

How many periods are in the periodic table?