The...................................... is the

factor measured or observed during an experiment

................is anything that has mass and takes up

space.

An...................... is a small particle that is a building block of matter. In

An ......................... is a substance that consists of just one type of atom.

Combinations of two or more substances that are physically blended together is known by...................

.........................subatomic particles have positive charge.

A ........................... mixture is a type of

mixture in which the individual substances are not

evenly mixed

........................ is a change in size, shape, form, or state of matter in which the matter’s identity stays the same

Elements that spontaneously emit radiation is called....................

The sum of number of protons + number of neutrons

Particles made of 2 protons and 2 neutrons

Atom gained or lost one or more electron

The space around the nucleus most probable to find electron in

The ability of metals to be shaped into wires

Elements that located at the middle of the periodic table

Elements at groups 3-12 in the periodic table

The change of object position is called.................

The change of an object velocity at unit time....................

Forces acting on an object causing No change in its motion