1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
olga_2 [115]
4 years ago
9

(No links, if you aren’t gonna answer here don’t answer at all.)

Physics
1 answer:
Liula [17]4 years ago
6 0

Answer:

D. Atoms with eight valence electrons usually do not gain or lose

electrons.

Explanation:

An atom can be defined as the smallest unit comprising of matter that forms all chemical elements. Thus, atoms are basically the building blocks of matters and as such defines the structure of a chemical element.

Generally, these atoms are typically made up of three distinct particles and these are protons, neutrons and electrons.

Valence electrons can be defined as the number of electrons present in the outermost shell of an atom. Valence electrons are used to determine whether an atom or group of elements found in a periodic table can bond with others. Thus, this property is typically used to determine the chemical properties of elements.

Based on the octet rule which states that atoms of chemical elements gain, lose or share electrons so as to have eight (8) electrons in their valence shell. Therefore, atoms of chemical elements bond in order to attain the electronic configuration of a noble gas i.e a full valence shell which comprises of eight (8) electrons.

This ultimately implies that, atoms with eight valence electrons usually do not gain or lose electrons because they're noble gas.

You might be interested in
Which object(s) formed last in our solar system?
alexira [117]

Answer:

first option bro

Explanation:

by the way if you play free fire give me your uid on the comment section

5 0
4 years ago
A small but dense 2.0-kg stone is attached to one end of a very light rod that is 1.2 m long. The other end of the rod is attach
tigry1 [53]

Answer:

Option B is the correct answer.

Explanation:

Refer the figure we have centripetal force at bottom of circle

       F_c=F_t-F_w\\\\\frac{mv^2}{r}=F_t-mg\\\\F_t=m\left ( \frac{v^2}{r}+g\right )

We have mass, m = 2 kg

Radius, r = 1.2 m

For circular motion to occur we have tension at top = 0

That is

        \frac{mv^2}{r}=mg\\\\v=\sqrt{rg}

Now let us find tension at bottom point

       F_t=2\times \left ( \frac{rg}{r}+g\right )=4g=40N

Option B is the correct answer.  

         

8 0
4 years ago
Baking soda is often used in experiments to neutralize vinegar. In the picture above, the beaker on the left contains a solution
____ [38]
It must be a base since it has the opposite reaction to litmus paper as vinegar and vinegar is an acid  
5 0
4 years ago
Read 2 more answers
A 1-kg rock is suspended from the tip of a horizontal meterstick at the 0-cm mark so that the meterstick barely balances like a
tigry1 [53]

Explanation:

Given that,

Mass if the rock, m = 1 kg

It is  suspended from the tip of a horizontal meter stick at the 0-cm mark so that the meter stick barely balances like a seesaw when its fulcrum is at the 12.5-cm mark.

We need to find the mass of the meter stick. The force acting by the stone is

F = 1 × 9.8 = 9.8 N

Let W be the weight of the meter stick. If the net torque is zero on the stick then the stick does not move and it remains in equilibrium condition. So, taking torque about the pivot.

9.8\times 12.5=W\times (50-12.5)\\\\W=\dfrac{9.8\times 12.5}{37.5}

W = 3.266 N

The mass of the meters stick is :

m=\dfrac{W}{g}\\\\m=\dfrac{3.266}{9.81}\\\\m=0.333\ kg

So, the mass of the meter stick is 0.333 kg.

5 0
3 years ago
A student drops an object from rest above a force plate that records information about the force exerted on the object as a func
OLEGan [10]

Answer:

A. The mass of the object

Explanation:

p = mv

p = momentum

m = mass

v = velocity

5 0
3 years ago
Read 2 more answers
Other questions:
  • An object is thrown upward from the top of a 128​-foot building with an initial velocity of 112 feet per second. The height h of
    10·1 answer
  • The formula for speed is v = s/t. <br> a. True<br> b. False
    6·1 answer
  • What were the quartering acts
    10·2 answers
  • What causes chemical weathering?
    8·2 answers
  • Does the temperature decrease at the beach
    13·1 answer
  • A uniform piece of sheet steel is shaped as in the figure below. (Both axes are marked in increments of 2). Compute the x and y
    6·2 answers
  • The second-order bright fringe in a single-slit diffraction pattern is 1.35 mm from the center of the central maximum. The scree
    15·1 answer
  • Why in drinking hot water, a thin-bottomed glass is taken?​
    10·1 answer
  • Based on our study of electromagnets, what would be the best thing to do to a generator in order to produce more electricity?
    6·2 answers
  • Un caballo parte del reposo y alcanza una velocidad de 15m/s en un tiempo de 8s. ¿ Cuál fue su aceleración y que distancia recor
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!