NEED HELP ASAP 1) Is Sulfur a metal or nonmetal?
2) Which family is Calcium in?
3) What is the Element’s name for the element that has the atomic number 72?

4) What is the atomic mass of Thallium?
5) What are all the atomic symbols for the Noble gases?



6) What are all the Element’s names in the metalloids?



7) What are all the atomic masses for the Actinides?



8)How many protons does Arsenic have?
9) How many electrons does Radium have?
10) How many neutrons does Nickel have?

I'll see what I can do here...

1) Nonmetal

2) Calcium (Ca), chemical element, one of the alkaline-earth metals of Group 2 (IIa) of the periodic table.

3) Hafnium

4) 204.3833 u

5) Not sure what you're asking, but oble gas, any of the seven chemical elements that make up Group 18 (VIIIa) of the periodic table. The elements are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn), and oganesson (Og)

6) The metalloids; boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te), polonium (Po) and astatine (At)

7) The Actinide series contains elements with atomic numbers 89 to 103 and is the third group in the periodic table.

8) 33

9) 88

10) 30

Hope this helps!

confused

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