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ryzh [129]
3 years ago
15

Which characteristic(s) makes a compounds useful as a building material?

Chemistry
1 answer:
Semenov [28]3 years ago
3 0

Answer:

The answer is hardness and brittleness. The ion discharging procedure and taking after impact on reservoir water quality file, for example, hardness, pH, conductivity, has been dissected. Comes about uncovered that the most discharge quality of various materials was touching base at the 30s after startup.

Explanation:

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Does a relationship exist between a planets mass and becoming a ring system?
joja [24]

Answer:

A planet is believed to form when the mutual gravitational attraction of debris orbiting a star accumulates into a growing mass.

Explanation:

Planetary rings, then, consist of millions of separate small rock and ice particles, each maintaining their own orbit around the host planet.

6 0
2 years ago
Question 2 of 10 A chemist has a block of copper metal (density is 8.96 g/mL). They drop the metal into a graduated cylinder con
Paladinen [302]

Answer:

m = 25.98 g

Explanation:

Given data:

Density of copper metal = 8.96 g/mL

Volume of copper metal block = 2.90 mL

Mass of copper metal block = ?

Solution:

The volume of given block of copper is equal to the volume change of water by adding this block.

Density formula:

d = m/v

by putting values,

8.96 g/mL = m/ 2.90 mL

m = 8.96 g/mL × 2.90 mL

m = 25.98 g

5 0
3 years ago
If Z is the symbol for an element, which pair among the following represents isotopes of the same element?
anygoal [31]
<span>B. 51 50
Z and Z
25 25

It is because only this element have equal number of Protons (Bottom number) and are different in atomic masses (upper number)

Hope this helps!</span>
3 0
3 years ago
Read 2 more answers
. When 0.022189 is correctly rounded to two significant figures the number becomes
weeeeeb [17]
0.022
(Correct to two significant figures)
6 0
3 years ago
What element has 47 protons in its nucleus?
sesenic [268]

Answer:

b). silver (Ag)

Explanation:

If you look at the periodic table, you just need to look at the atomic number of the element, because the atomic number tells you how many protons there are in the nucleus of the element.

But do be careful because some periodic tables have the molar mass at the top left corner, but the one I use has the atomic number at the top left corner, so make sure you look for the atomic number and not the molar mass.

5 0
3 years ago
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