An uncharged atom has six electrons. The nucleus of this atom must contain _______ protons.

Match each property to the appropriate subatomic particle. Drag each property into the correct bin.

An uncharged atom has six electrons. the nucleus of this atom must contain _______ protons.

Rounded to the nearest whole number, how many protons are in an atom of Krypton? 36 48 84 120

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

For Al, its atomic number is 13 and its mass number is 27. How many neutrons does it have?

If an atom contains 3 protons, 4 neutrons, and 3 electrons, its mass number is

All atoms of an element have the same number of ________.

What is the atomic mass number of carbon-13 (6 protons, 7 neutrons, 6 electrons)?