Question

PLEASE HELP!!!!

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?
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4) What is the atomic mass of Thallium? _________________________
5) What are all the atomic symbols for the Noble gases?
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6) What are all the Element’s names in the metalloids?
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7) What are all the atomic masses for the Actinides?
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8)How many protons does Arsenic have? __________________
9) How many electrons does Radium have? ________________
10) How many neutrons does Nickel have? ________________

Answer 1

Answer: Sulfur is a non- metal

Step-by-step explanation:

Answer 2

1. Non-metal
2. Alkaline Earth Metals
3. Hafnium
4. 204.3833 amu
5. He, Ne, Ar, Kr, Xe, Rn
6. Antimony, Arsenic, Boron, Germanium, Silicon, Tellurium
7. 227.03, 232.04, 231.04, 238.03, 237.05, 244.06, 243.06, 247.07, 247.07, 251.08, 254, 257.10, 258.10, 259.10, 262
8. 33
9. 88
10. 30

Hope this helps!! (: