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Bad White [126]
3 years ago
13

Valence electrons are found by looking at what _________________ the atom is in on the periodic table. 

Chemistry
2 answers:
Maslowich3 years ago
8 0
Valence electrons are found by looking at what energy level the atom is on the periodic table. These valence electrons are the outermost electrons which can greatly impact the properties of the atoms. They are the most important electrons from the atoms, because they determine the function and the reactivity of an atom.
bulgar [2K]3 years ago
7 0
<span>Valence electrons are found by looking at what  Group the atom is in on the periodic table.
When electron is associated with an atom, they will form a chemical bond. and atoms with a similar number of the electron are a group within every Periodic Table because they all have similar bonding behavior.</span>
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Find the number of moles of barium iodide if you have 5.23 x 1024 formula units of Bal2
Oksi-84 [34.3K]

Answer:

8.68 moles of BaI₂

Explanation:

Given data:

Number of moles of BaI₂ = ?

Number of formula units = 5.23× 10²⁴

Solution:

By using Avogadro number,

1 mole of any  substance contain 6.022× 10²³ formula units.

5.23× 10²⁴ formula units of BaI₂ × 1 mol / 6.022× 10²³ formula units

0.868 × 10¹ moles of BaI₂

8.68 moles of BaI₂

Thus, 5.23× 10²⁴ formula units of BaI₂ contain 8.68 moles of BaI₂

7 0
2 years ago
H2O (s) ⇒ H2O What would be the best argument against writing this in the form of a chemical equation?
Goshia [24]

Answer: Since this is merely a Physical Change, it is improper to write it as a chemical equation.

5 0
3 years ago
(02.01 MC)
inna [77]

It is likely the neutral atom has 6 protons and 6 electrons; while the negatively charged atom has 7 or more electrons.

The mass of an atom, commonly known as the atomic mass is determined by the number of protons and neutrons as electrons have a very low mass.

This means two atoms can have the same number of protons and neutrons, but a different number of electrons, which would make the atom be charged negatively or positively.

Based on this, if there are two atoms, each with 6 protons but one of these is negatively charged it is because the second atom has 1 or more extra.

Neutral atom:

  • This atom has 6 protons and an unknown number of neutrons located in the nucleus.
  • This atom has 6 electrons that orbit the nucleus.
  • The first energetic level will include 2 electrons while the second energetic level will include the 4 remaining electrons.

Negatively-charged atom:

  • This atom has 6 protons and an unknown number of neutrons located in the nucleus.
  • This atom has 7 or even more electrons that orbit the nucleus.
  • The first energetic level will include 2 electrons while the second energetic level will include up to 8 electrons.

Learn more about atoms in: brainly.com/question/13981855

8 0
2 years ago
Give any two reasons that hydrogen is kept in group 1 in Modern Periodic Table​
xeze [42]

Answer:

Hydrogen is usually classified as a group 1 element since it has one valence electron, just like group 1 metals.

Explanation:

3 0
3 years ago
Boats typically have several metal fittings where ropes can be fastened. What is the name for these metal fittings?
nadezda [96]
The name for these metal fittings is cleats.
Cleats refer to the hooks on your boat and the dock where you can fasten a boat in order to keep it from flowing away while you're not using it. A keel is located under your boat and provides stability; a transom is the part of your boat on the stern where the motor is located; a tiller is a lever you use to turn your boat. 
3 0
3 years ago
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