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aev [14]
3 years ago
5

Moving from the element with atomic number 10 to atomic number 11 on the periodic table, there is a change in reactivity. In thr

ee to five sentences, identify the direction of the change, and give two reasons for the change.(4 points)
Physics
1 answer:
bazaltina [42]3 years ago
7 0

Answer:

Explanation:

Ne has its outside shell full of electrons; therefore, its reaction with other elements is minimal if at all. Na, the next element, has 1 more proton and 1 more electron. More importantly that added electron is in the outside shell. It can fill that shell by ADDing 7 more electrons or LOSing the one electron. Obviously, it loses the one electron and it does so with gusto which makes Na a very reaction element while Ne is not reactive at all. Now follow oobleck's instructions, add what you read to what I've written,then summarize all of it in your own words.

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15) The diagram below represents the sequence of events (steps 1 through 10) resulting in the production of a D' meson and a D*
zubka84 [21]

A statement which describes the changes that occur in this sequence of events is: 2. matter is converted into energy and then energy is converted into matter.

<h3>What is the law of conservation of matter?</h3>

The law of conservation of matter (LOCOM) states that mass can neither be created nor destroyed in any chemical reaction.

Similarly, the energy possessed by a matter can neither be created nor destroyed, but it can only be converted from one energy form to another.

In this context, we can logically deduce that a statement which best describes the changes that occur in this sequence of events is that matter is converted into energy and subsequently, energy is converted into matter.

Read more on matter here: brainly.com/question/24783543

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3 0
2 years ago
The heat released by burning candle is an example of thermal energy
yawa3891 [41]
False the correct answer is chemical bonds instead of thermal energy
4 0
3 years ago
Read 2 more answers
Please someone help me.
katovenus [111]

Answer:

acceleration of the car is 3 m\s^2

Explanation:

from rest means the initial velocity (vi) is zero

time = 5s

final velocity (vf) = 15m\s

a = vf - vi \ t

a = (15-0) \ 5

a= 3 m\s^2

which means that the car is speeding up 3 meters every second

5 0
4 years ago
John pushes his bed to the left overcoming the force of friction. On the free-body diagram below, which force represents the fri
mamaluj [8]

Answer:

<em>Force B</em>

Explanation:

<u>Friction Force </u>

It's a force that appears when an object is tried to move on a rough surface. There are two cases: when the object is at rest, we have the friction static coefficient and when the object is already moving, we have the dynamic coefficient. The static coefficient is usually greater than the second because it's harder to overcome the friction when the object is at rest.

We are told that John pushes the bed to the left with enough force to overcome the force of friction. If the movement is intended to be to the left side, the friction force appears to the right, since it always opposes to the movement. Thus the force B is the one who represents the friction force in this situation

6 0
4 years ago
Read 2 more answers
1. Two astronauts are 2.00 m apart in their spaceship. One speaks to the other. The conversation is transmitted to earth via ele
Veronika [31]

Answer:

1.6949*10^6 m

Explanation:

Our values are

d=2m

v=354m/s

We can find the time through

t=\frac{d}{v}

t=\frac{2}{354}

t=5.64*10^{-3}s

The expression for the distance between the Earth and the spaceship is as follow:

d=ct

Where c is Light speed, and t our previous time.

d= (3*10^8)(5.64*10^{-3})

d= 1.6949*10^6m

Therefore the distance between the Eath and the Spaceship is 1.6949*10^6 m

4 0
4 years ago
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