2. Atoms & Elements

Which of the following answers give the correct number of subatomic particles for ?

Which of the following answers give the correct number of subatomic particles for ?

Fill in the gaps for the following table of atoms.

Lithium has 3 protons. How many neutrons are in the isotope Lithium-8?

What is the mass number of the isotope with the symbol ³⁷₁₇Cl?

Which of these refers to atoms with the same atomic number but different atomic masses?

The atomic number of fluorine is 9 and its atomic mass is 19. How many neutrons does fluorine have?

One isotope of sodium has 11 protons and 7 neutrons. What is the mass number of this isotope?

What is the mass number of the isotope with the symbol ³⁷Cl₁₇?

Lithium has 3 protons. How many neutrons are in the isotope Lithium-8?

Atoms of the same element, zinc for example, have the same number of

How many protons, neutrons, and electrons are there in a neutral atom of ¹³¹I (iodine-131)?

Two isotopes of the same element will have the same number of _____ but a different number of ____.

How many protons, neutrons, and electrons are there in a neutral atom of ³⁰P (phosphorus-30)?

An isotope of yttrium has 39 protons and 59 neutrons. What is the mass number of that isotope?

The superscript preceding each hydrogen atomic symbol (H) represents which of the following?

All of the atoms making up any given element have the same number of ________.

How many protons, neutrons, and electrons make up an atom of nitrogen-15?

Can two atoms with the same mass number ever be isotopes of each other? Explain.

Can two atoms with the same mass number ever be isotopes of each other?