Brain Drain: Structure of Matter part 2

What is the atomic number of a carbon atom that has 6 protons?

6.

What is the chemical symbol for water?

H2O.

Base

a compound that tastes bitter, feels slippery and turns litmus blue.

Acid

a compound that tastes sour, reacts with metals and turns blue litmus red.

What states that matter cannot be created nor destroyed?

all of them.

A ____________ change is when one substance is changed into another.

chemical changes.

The process in which a liquid changed to a gas is called

evaporation.

A metal that is easily hammered is said to be

malleable.

What is a negatively charged particle that flows through a circuit?

mobile electrons.

A covalent bond in which the electrons are shared equally is said to be a

non-polar covalent bond.

Color, hardness, magnetism, and state are _________ properties.

physical properties.

The forth state of matter is known as

plasma.

The smaller part of a solution is known as a

solute.

Phase change from solid directly to gas is called

sublimation.

Metalloids

substances that are both metals and nonmetals.