Chem Chapter 4 - Atomic Structure

__________ are uncharged subatomic particles.

One could use which of the following to view an atom?

In shorthand notation of an element or its isotope, its ________ is written as a superscript.

_____________ are positively charged subatomic particles.

To find ave. atomic mass, one should multiply ___ and ___ of each isotope and add the products.

Atoms have a _________ charge.

The smallest particle of an element that retains its identity in a chemical reaction

The ________ is the number of protons and neutrons.

________ and _______ are equal in number in a neutral atom.

The nucleus of an atom has a _______ charge.

______ and _______ are found in the nucleus of an atom.

An atom is made of mostly __________.

Isotopes of an element differ in their number of _______.

_______ created the atomic theory by transforming Democritus' ideas through experimentation.

Smaller, fundamental parts of atoms are ______.

Which of the following is NOT true of the atomic theory?

The mass of a neutron is _________.

An electron's mass is ________ the size of a proton.

_________ are negatively charged subatomic particles.

Which of the following is NOT a subatomic particle?

In the _________, electrons are stuck in a lump of positive charge like chocolate chips stuck in cookie dough.

Amu's are _____________.

__________ said that atoms are indivisible and indestructible.

The _________ is equal to the number of protons