Metal because it’s more stronger
Physical......................................................
Answer:
Compound
Explanation:
It has a definite composition throughout and can be made of more than one type of element.
Data:
weight of water before heating = 0.349
weight of hydrate before heateing = 2.107
Formula:
Weight percent of water = [ (weight of water) / (weight of the hydrate) ] * 100
Solution:
Weight percent of water = [ 0.349 / 2.107] * 100 ≈ 16.6 %
Answer: 16.6%
The modern periodic table can be divided into periods and groups.