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4vir4ik [10]
3 years ago
5

Is helium a metal, non metal or metalloid?

Chemistry
1 answer:
ioda3 years ago
4 0

Helium is a nonmetal. There are several reasons for this, it is unable to donate electrons and It has an extremely low melting point.

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Can someone provide a answer with explanation for this question? Thanks!
zhuklara [117]

Answer:

Explanation:

B

4 0
1 year ago
I need an explanation
Rina8888 [55]
<span>The Kelvin scale is an absolute temperature scale, while the Celsius scale is not. When you convert a temperature from Celsius to Kelvin, you add 273 degrees to the temperature. However, when you calculate a temperature change, you get the same number, whether you use the Celsius or the Kelvin scale.</span>
8 0
3 years ago
The ingredient label for a fruit drink reads: water, sugar, orange juice, high fructose corn syrup, vitamin C, sodium benzoate (
Alborosie

Answer:

C

Explanation:

C is the only one that is true. Because sugar comes before juice in the ingredients listed, there is more of it.

4 0
3 years ago
A clear colorless liquid in an open beaker was heated to boiling. The liquid began to boil at 110°C, and as vapors escaped, the
Vaselesa [24]

Omitted options and they are

a) pure compound.

b. pure element.

c. pure substance.

d. homogeneous solution.

e. heterogeneous solution

Answer:d. homogeneous solution.

Explanation:

Pure substances or  elements or  compounds have a definite and sharp melting or boiling point, Any substance that is not pure is impure and will have different temperature of melting or boiling points.

To this effect, the clear colorless liquid cannot be a Pure substance, element or compound.

We can therefore say that the clear colorless liquid would be a homogeneous solution because a homogeneous solution is a mixture of constituents which completely mixes together such that each constituents cannot be seen with naked eye, When heated to boiling, each constituent in the mixture will give different boiling points.

A heterogeneous Solution, too is a mixture but contains constituents that can be seen and not a clear colourless solution.

Therefore  On the basis of this information, we can say that the material in the beaker was a Homogeneous solution

8 0
3 years ago
The titration shown here has the equivalence point at ph=3.2 which indicators will be appropriate to use
nasty-shy [4]

Answer:

Methyl orange.

Explanation:

  • Every indicator has a pH working range.
  • Methyl orange has the pH range (3-5).
  • Chemists use methyl orange as an indicator in the titration of weak bases with strong acids.
  • It changes from red (at pH 3.1) to orange-yellow (at pH 4.4) to yellow (at pH > 4.4).
3 0
3 years ago
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