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ANTONII [103]
2 years ago
11

WRITE THE ELECTRONIC CONFIGURATION OF THE FOLLOWING ELEMENT

Chemistry
2 answers:
Sunny_sXe [5.5K]2 years ago
5 0
1 Hydrogen 1s1
2 Helium 1s2
3 Lithium 2s1
castortr0y [4]2 years ago
5 0

Answer: WHAT IS THE ELEMENT NAME?

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Answer: Un ala es un tipo de aleta que produce elevación, mientras se mueve a través del aire o algún otro fluido. Como tal o puede calcularse a partir de la distribución de velocidad aérea utilizando principios físicos básicos

Explanation:

3 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.

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3 years ago
Why is the sky orange and red at sunrise and sunset?
Allushta [10]

Answer:

gas molecules scatter short wavelengths of light (blue and violet) more than long (red and orange) so the sky looks blue. at sunrise and sunset, the light passes through thicker atmosphere and blue light is scattered more, so mostly red and orange light is visible.

Explanation:

hope it helps

4 0
3 years ago
3Al + 3NH4ClO4 → Al2O3 + AlCl3 + 3NO + 6H2O<br> How many moles of AlCl3 are produced?
zhuklara [117]

Answer: 1 mol of AlCl_3 will be produced from this reaction.

Explanation: Reaction follows,

3Al+3NH_4ClO_4\rightarrow Al_2O_3+AlCl_3+3NO+6H_2Oc

As seen from the balanced chemical equation above, we get

For every 3 moles of Aluminium and 3 moles of NH_4ClO_4, 1 mole of Al_2O_3 is formed.

For every 3 moles of Aluminium and 3 moles of NH_4ClO_4, 1 mole of AlCl_3 is formed.

For every 3 moles of Aluminium and 3 moles of NH_4ClO_4, 3 moles of NO is formed.

For every 3 moles of Aluminium and 3 moles of NH_4ClO_4, 6 moles of H_2O is formed.

7 0
3 years ago
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Entrance Question: What is a physical trait? Explain using complete sentences.
azamat

Answer: A physical trait is a defining aspect or feature of your body or other subject that you can see visually.

Explanation:

6 0
3 years ago
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