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umka2103 [35]
2 years ago
15

Which of the following are properties of metalloids?

Chemistry
2 answers:
harkovskaia [24]2 years ago
3 0

Answer:

all of these are properties of metalloids

Rainbow [258]2 years ago
3 0

Answer:

The answer is B. All of these

Explanation:

Can you mark me the brainliest?

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Shkiper50 [21]

Answer:

The SMRs can adjust their energy output using coolants and control rods.

Power plants can be built to fit locations with less demand or less space.

Explanation:

I think that it is but I am not sure.

7 0
2 years ago
Which statement correctly compares the number of chromosomes in a body cell to that in a sex cell of humans?
ad-work [718]
The answer is C: "<span>A body cell has 46 chromosomes; a sex cell has 23"</span>
6 0
3 years ago
Read 2 more answers
1. Convert each of the following Celsius temperatures to Kelvin. a) 27°C b) 100°C c) 0°C​
valkas [14]

Answer:

a) 300K

b) 373K

c) 273K

Explanation:

to go from °C to K all you have to do is add 273.

5 0
2 years ago
How many grams of nacl are in 250 g of a 15.0% (by weight) solution?
Gelneren [198K]

Answer: -

37.5 g of NaCl are in 250 g of a 15.0% (by weight) solution.

Explanation: -

Total mass = 250 g

Percentage of NaCl = 15.0 %

= \frac{Number of grams of NaCl present}{total mass}

Thus \frac{15}{100} = \frac{Number of grams of NaCl present}{250g}

Number of grams of NaCl present = \frac{15 x 250g}{100}

= 37.5 g

4 0
3 years ago
Determine the empirical formula of a compound that contains 30.45% nitrogen and 69.55% oxygen
melomori [17]

I might not be right but I think the empirical formula is NO2

5 0
2 years ago
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