They ar atoms

They are positively charged and neutral.

Electrons are negatively charged and surround the nucleus.

They are positively charged and surround the nucleus.

Two or more elements

Atoms that are found in nucleus.

Elements of radioactive isotopes.

Atoms of the same element have different numbers of neutrons.

Einstein thought of this one.

Isotopes with nuclei that break down at a constant rate over time.

Elements are negatively charged.

Atoms that have the same element.

The compound of an atom.

Electrons transferred from an atom to another.

Protons are positively charged in the nucleus of atoms.

They are formed by two or more elements in definite proportions to create a new substance.

A bond of a bond

Electrons are transferred from one atom to another to chemically bond them together.

Formed by two or more elements.

A van der Waals force.

Electrons are transferred from one atom to another to chemically bond them together.

I don't know

Electrons are shared between the two atoms to bond them together.

Brief and weak interactions

Positively and negatively charged

Brief interactions between molecules such as van de Waals forces and hydrogen bonds.

Formed by elements

Electrons are shared between two atoms to bond together.

Substance formed by chemical combinations.

The basic unit of matter.

The center of space and time.

Who knows!

The middle of center earth.

Pure substance

The basic unit of matter.

The center of an atom, which contains the protons and neutrons.

Does it matter?

Negatively charged particle, constantly moving around the nucleus.

Positively charged and moving around the nucleus.

Substance of matter

Pure substance that consists entirely of one type of atom.

The center of everything.

The basic unit of matter.

A substance formed by the chemical combination of two or more elements.

A substance that is formed in definite proportions.

One of several forms of a single element, contains the same number of protons but different numbers of neutrons.

The center of an atom which contains protons and neutrons.

Matter itself

A type of combination

Substance of matter

The center of an atom which contains the protons and neutrons.

Substance formed by the chemical combination of two or more elements in definite proportions.

Weak attraction between a slightly positive hydrogen atom and another atom that is slightly negative.

The attraction of substance

The force in cohesion.

At the time the substance was negatively neutral.

Forces of attraction in the atom

Heat capacity of movement

Attraction between molecules of the same substance

Structure in a substance.

Hydrogen bonds form something.

The weak forces of substance

A bond in van der Waal.

Force of attraction between different kinds of molecules.