Atomic Structure Review

How many protons are in an atom of Potassium?

How many electrons are found in one atom of silver?

(TRUE or FALSE) Atoms are mostly empty space.

A carbon atom has 6 protons and 6 electrons and 7 neutrons.  What is the mass number?

 _____ were a part of all elements because all cathode rays had the same charge-to-mass ratio.

Two atoms which have the same number of neutrons MUST be the same element.

How many neutrons are in an atom of Sodium-23?

(TRUE or FALSE) Atoms of the same element can have different masses.

Which type of nuclear decay gives off the largest particle from the nucleus?

The correct symbol for Tritium (the heaviest isotope of hydrogen) is

Which type of radiation does not have any charge?

If two atoms have the same number of protons then they MUST be the same element.

Neon-22 contains 12 neutrons and it also contains __________.

Bromine-80 has  ___protons, ___electrons and ___neutrons

What is the mass of an alpha particle?

Boron-11  the 11 represents the ____________.

"All matter is made of atoms" is a part of Dalton's Theory

Neutral atoms of the same element can have different numbers of _________.

What unit is used to measure weighted average atomic mass?

In a neutral atom, the number of electrons equals ___________.

The Bohr model of the atom is based on ______.

All isotopes of Hydrogen contain _______.

What is the mass of a beta particle?

"Atoms are always moving." is part of Dalton's Atomic Theory.

Boron-11 (atomic number 5) has ___.

(TRUE or FALSE) Isotopes of the same atom have different numbers of protons.

The ____is the central part of the atom which contains almost ALL of the mass.

Who was the first to suggest the idea of atoms?

Atoms are indivisible, indestructible, and the building blocks of all matter according to _____

What is the total number of subatomic particles found in the nucleus of ₁₈⁴⁰Ar

Who discovered the neutron in 1932?

Atoms with the same number of protons but a different number of neutrons are called _______.

According to the Bohr model of the atom, where are electron NOT allowed?

Which has the number of neutrons correctly represented?