Chemistry High School

Which of the following characteristics indicates that an atom is unstable?
A. A full valence shell
B. Forming very strong bonds
C. Existing by itself
D. Low electronegativity

Answers

Answer 1

Forming very strong bonds indicates that an atom is unstable. Option B

Characteristics of an unstable atomForces binding it are unbalancedThe nucleus possesses an excess internal energy.It lacks a full valence shell due to lack of electronsPossession of high electronegativity, due to attraction of electrons.Forms electrostatic bonds; very strong bonds.

Therefore, forming very strong bonds indicates that an atom is unstable. Option B

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Related Questions

How do chemists use systems and order in their work?

Answers

Answer:

5 point) Chemists used systems and order because they study the basic unit of all forms of matter, which is the atom . However, there are several different kinds of atoms, called elements . Chemists organize these elements using the periodic table .

Explanation:

The sun provides heat

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Give oxidation and reduction half-reactions to the equation provided

Answers

Explanation:

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How many electrons can be present in an atom having three principal
energy levels? *

Answers

Answer:

18 electrons

Explanation:

The third principal energy level has one s orbital, three p orbitals, and five d orbitals, which can each hold up to 10 electrons. This allows for a maximum of 18 electrons. The fourth and higher levels have an f sublevel in addition to the s, p, and d orbitals.

Answer:

18 electrons

Explanation:

The five d orbitals can hold up to 10 electrons. Thus, the third level holds a maximum of 18 electrons: 2 in the s orbital, 6 in the three p orbitals, and 10 in the five d orbitals.

What is the molarity of a sodium carbonate solution containing 32.52 g Na2CO3 dissolved in enough water to make 822 ml of solution?

NEED ASAP PLEASE!!

Answers

The molarity of a Sodium carbonate solution : 0.373 M

Further explanation

Given

32.52 g Na₂CO₃

822 ml of solution = 0.822 L

Required

The molarity

Solution

Molarity shows the number of moles of solute in every 1 liter of solution.

[tex]\large{\boxed {\bold {M ~ = ~ \frac {n} {V}}}[/tex]

mol of solute = mol of Na₂CO₃ :

= mass : MW Na₂CO₃

= 32.52 g : 106 g/mol

= 0.307

Molarity :

= n : V

= 0.307 mol : 0.822 L

= 0.373 M

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