Answer:
Magnesium (Mg)
Explanation:
An element with a lower atomic mass than Calcium that has similar chemical property is the element Magnesium (Mg).
This because, elements in the same group or family on the periodic table has similar chemical properties.
Magnesium belongs to the same group as Calcium, other elements are:
Be Mg Ca Sr Ba Ra
The group is made of the alkaline earth metals. They have two valence electrons in their outer shell.
Answer:
D Both are made of rock ,ice and solar dust from the beginning of the solar system
Methane can absorb more heat
Answer:
Answer: 0.66 hours
Explanation:
• Remember 1 second accounts for 1/3600 hours
False, there are five forms of matter; solid, liquid, glass, plasma, and <span>Bose-Einstein condensates.
hope this helps :)</span>
