Scientist who stated that atoms are small and indestructible like small spheres.

Scientist who stated that atoms are like chocolate chip cookie dough, with the chocolate chips being the electrons he discovered.

Scientist who stated that atoms are mostly empty space with a dense, positively charged center

This scientist discovered neutrons and added them to Rutherford's model.

This scientist stated that electrons orbit the nucleus.

The smallest building block of matter

Part of an atoms that is positively charged and located in the nucleus

The rows on the periodic table are called _________________

The vertical columns on the periodic table are called __________________

This number tells you how many protons or electrons and atom of an element has.

Each _____________________ on the periodic table tells you the number of valence electrons.

If the atomic number of helium is 2 and the mass number is 4, then how many neutrons does helium have?

What is the name of group 1 on the periodic table?

What is the name of group 2 on the periodic table?

What is the name of group 7 on the periodic table?

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