Answer:
a. halogen : F ,Cl ,Br l ,At
b an alkali metal: Na,Li, Rb, Cs
c. a noble gas: He, Ne, Kr, Ar
d. an alkaline earth metal: Be,Mg,Ca, Sr
hope it helps
a. Br, Cl, F
b. Na, K, Ba
c. He, Ar, Ne
d. Ca, Ba, Mg
2
Explanation:
Sorry if Im wrong
Answer: 1.96x10^24 atoms
3.25*6.02214076*10^23 atoms = 1.96x10^24
A. 3.5ml
lowest point of liquid or meniscus
Answer:Chewing in the mouth breaks food into smaller pieces
Explanation: all you are doing is breaking down the food in your mouth