The basic unit of mass in the metric system is grams
Answer:
answer is b
Explanation:
All elements in a row have the same number of electron shells. Each next element in a period has one more proton and is less metallic than its predecessor
Sound waves are waves of growing larger and smaller, making it seem elastic through substances, such as air.
X:5.8g=16:(23+1+12+3*16)
x:5.=16:84
x:=5.8* 16/84
this is approximately 1.1
Mass number = protons + neutrons
mass number = 5 + 7
mass number = 12
