3 years ago

Which of these materials is a substance?

Chemistry

1 answer:

Anni [7]3 years ago

6 0

Answer:

MAS BOBO KA PALA?!

Explanation:

You might be interested in

Which of these BEST describes a physical change?

OLEGan [10]

Answer:

C) a log in the campfire turns into ashes

8 0

3 years ago

Why a mixture of magnesium hydroxide and water is known as milk of magnesia

gregori [183]

because of its milk-like appearance. ... Since the dissociation of this small amount of dissolved magnesium hydroxide is complete, magnesium hydroxide is considered a strong electrolyte. Its low solubility makes it a weak base.

3 0

3 years ago

Why must the total positive and total negative charge in an ionic compound be equal ?

uranmaximum [27]

Because it must be stable. Everything wants to reach ability when it comes down to atoms and compound/molecules etc.

7 0

4 years ago

Lithium ions in Lithium selenide (Li2Se) have an atomic radius of 73 pm whereas the selenium ion is 184 pm. This compound is mos

NARA [144]

Explanation:

Formula according to the radius ratio rule is as follows.

$\frac{r_{+}}{r_{-}} = \frac{73}{184}$

= 0.397

According to the radius ratio rule, as the calculated value is 0.397 and it lies in between 0.225 to 0.414. Therefore, it means that the type of void is tetrahedral.

Thus, we can conclude that the given compound is most likely to adopt closest-packed array with lithium ions occupying tetrahedral holes.

3 0

3 years ago

Which element best conducts electricity?<br> argon<br> copper<br> nitrogen<br> oxygen

tekilochka [14]

Answer:

I think it is copper

Explanation:

.........................

4 0

3 years ago