Answer:
These are Magnesium bromide is MgBr2. “ionic compounds.” When atoms join together, they form either molecules or ionic compounds, depending on whether they are joined by covalent bonds or ionic bonds. ... When atoms join together by ionic bonds, they form “ionic compounds”.
Explanation:
Hope it helps u
FOLLOW MY ACCOUNT PLS PLS
Answer:
No because a straw is plastic look at it by this was, the energy used to create one metal straw is roughly equivalent to creating 90 plastic straws, and also produces carbon emissions equivalent to 150 plastic straws. This may not seem like a lot, but in order to offset the environmental impact of creating a metal straw, it must be used over 150 times
Explanation:
Facts about Pumice:
The lightest rock on earth.
Formed in Molten Lava.
Most of the earths crust is made from rocks such as Pumice (Igneous Rocks).
Contains many minerals that help plants to grow.
Facts about Sandstone:
It can form on land or in the sea.
It has been used as far back as prehistoric times to make house ware items and shelter contruction.
They can take thousands of years to form.
<span />
Answer:
Hexane.
Explanation:
Hello!
In this case, since the general reaction of the compound C4H14 with chlorine is:
Which stands for a substitution chemical reaction in which one chlorine is able to replace one hydrogen and therefore hydrogen chloride gives off; we infer that the initial compound, C4H14, shows off the 
formula characteristic of alkanes; in such a way, as it has six carbon atoms, we infer it is hexane.
Best regards!
