Physical Science

What would an atom of aluminum that has 13 protons and 15 neutrons be named?

Which of the following is true about the mass of a neutron?

The atomic number of an atom is the total number of ____ in the nucleus?

Thomson's model of the atom resembled?

An atom of oxygen with 8 protons, 8 electrons, and 8 neutrons would have a mass number of?

What gives an element its identity?

The 2 particles that make up the nucleus are?

Atom A has 8 protons and 8 neutrons. B has 8 protons and 9 neutrons. Describe them.

An atom of iron has 26 protons, 28 neutrons, and 26 electrons. What is the atomic number?

Which statement about neutrons is true?

Isotopes exist because atoms of the same element can have different numbers of?

In Thomson's "plum pudding" model of the atom, the plums represent?

Identify difference that causes atoms of one element to be difference from all others.

What did Democritus, Dalton, Thomson, Rutherford, and Bohr all have in common?

An atom has no overall charge if it contains equal numbers of?

An atom becomes an ion when?

What particles make up a nucleus

Oxygen has an atomic number of 8. Which can form the nucleus of an isotope of oxygen?

The current model of the atom suggests that

How would pizza be classified?

What force holds the nucleus together?

A neutral atom has an atomic number of 20. How many electrons does the atom have?