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Lubov Fominskaja [6]
3 years ago
6

Jill tells Bobby that the lightest element in the periodic table is Chlorine because it has an atomic number of 17. Bobby states

that Jill is incorrect and that he believes that Hydrogen is the lightest element because it has an atomic number of 1. Which statement is correct? Question 4 options: Jill is correct because Chlorine has more protons. Bobby is correct because Chlorine has more protons.
Physics
1 answer:
liq [111]3 years ago
4 0

Answer:

Hydrogen is the lighest element in the periodic table.

Explanation:

Hydrogen is known by being the lights element with an average atomic mass of 1. Hence, Bobby is correct.

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While painting the top of an antenna 275 m in height, a worker accidentally lets a 1.00 L water bottle fall from his lunchbox. T
Tom [10]

Answer:

The force of impact of the water bottle is F = 13,475 N

Explanation:

Given data,

The height of the antenna, h = 275 m

The mass of the 1 L water bottle, m = 1 kg

Let the bottle moves distance immediately after the impact is, d = 0.2 m

The force exerted by the bottle on the bushes at the ground is given by the formula,

                                   F = mgh / d

Substituting the values

                                   F = 1 x 9.8 x 275 / 0.2

                                      = 13,475 N

The value of the force of impact can be reduced by increasing the value of d, it is like the lowering the hand along with the motion of the ball to catch it thereby reduce the force of impact.

The force of impact of the water bottle is F = 13,475 N

8 0
3 years ago
A single proton has which electrical charge?
valentina_108 [34]
The answer is B- a positive charge 
5 0
3 years ago
Read 2 more answers
How many electrons pass a given point in the circuit in 3 min? The fundamental charge is 1.602 × 10−19 C. amps: 0.415 , volts: 1
morpeh [17]

The no of electron passing through the circuit is current by time. The no of electron passing are  46.63 x 10¹⁹ electrons.

<h3>What is charge?</h3>

The charge is the physical quantity which attracts or repels another object when comes into its field.

The time 3 min has 3 x 60 =180 seconds.

Total Charge Q = current I x time t

Q = 0.415 x 180

Q =74.7 coulombs

The no of electrons is the ratio of total charge divided by the fundamental charge.

n = 74.7/  1.602 × 10⁻¹⁹

n= 46.63 x 10¹⁹ electrons

Thus, electrons pass a given point in the circuit in 3 min are 46.63 x 10¹⁹ .

Learn more about charge.

brainly.com/question/11944606

#SPJ1

4 0
1 year ago
Um corpo de massa igual a 2kg move-se com velocidade constante num plano horizontal sem atrito, conforme a figura. Em seguida, e
castortr0y [4]
Only answering to ask a question
4 0
3 years ago
3. What type of scientific investigation would you use to view photosynthesis in a
Allushta [10]

Answer: f u

Explanation:

if mdldkdkdmdkdkekek

5 0
3 years ago
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