What information about an element is most crucial for locating that element in the periodic table?

Answers

Answer 1

Answer: the most crucial information would be its atomic number.

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A nerve impulse travel along a myelinated neuron at 75.9 m/s
Some types of storage tanks are exempt from the federal regulations on USTs, including A) tanks that store heating oil burned on the premises. B) tanks that hold less than 200 gallons. C) farm and residential tanks that hold 2,000 gallons or less of motor fuel used for noncommercial purposes. D) all of these.
There are _____ levels of cell organization recognized by biologists.
a student drops an object from the top of a building which is 19.6 m high. How long does it take the object to fall to the ground?

Pls help me this is being timed. pls.

Answers

Answer:

10N each

Explanation:

Doing a little math here to make it balanced. 10+10=20 therefore you have the same on both sides.

Hope this helps!

A solid aluminum cube has sides each of length L . A second cube of the same material has sides four times the length of the first cube; i.e., 4 L . Compared to the first cube, the total surface area of the second cube is 1. twenty-seven times the first cube. 2. sixteen times the first cube. 3. sixty-four times the first cube. 4. eight times the first cube. 5. twenty-four times the first cube. 6. two times the first cube

Answers

Answer:

Option (2): Sixteen times the first cube

Explanation:

$Surface \: Area \: of \: Cube = 6 {a}^(2)$

$(T.S.A \: of \: larger \: cube)/(T.S.A \: of \: smaller \: cube) = \frac{6 * 16 {l}^(2) }{6 * {l}^(2) } = 16$

When the linear dimensions of a solid are multiplied by ' R ', the surface area of all or any part of it increases by R² , and the volume of all or any part of it increases by R³ .

If the sides of the second cube are 4 times the sides of the first one, then the second cube has (4²) = sixteen times the surface area of the first one (2), and it has (4³) = 64 times the volume of the first one.

In the Balmer series, how many spectral lines have the wavelength greater than 400 nm?

Answers

The Balmer series or Balmer lines in atomic physics, is the designation of one of a set of six named series describing the spectral line emissions of the hydrogen atom. The Balmer series is calculated using the Balmer formula, an empirical equation discovered by Johann Balmer in 1885. this is all I know sorry

Opposite electric charges will repel, and like charges will attract.

Answers

As it stands now, that statement is false.

There are two ways to make the statement true:

#1). Exchange the places of the words "Opposite" and "like".

#2). Exchange the places of the words "repel" and "attract".

Either ONE of these changes will make the statement true.
Doing BOTH of these changes will leave it false.

Answer:

False. Opposite electric charges will attract, and like charges will repel.

What is the most important reason to control the condition of a experiment

Answers

The most important reason to control the conditions of an experiment is to make sure that the environment is affecting the results of the experiment--which would void the study.

Potential energy in an electrical system is stored?

Answers

In a battery or capacitor.

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Momentum is distancemassforcetime times velocity.

How long does water evaporation take? What factors influence it?

The atomic symbol mc026-1.jpg represents lead-206 (Pb-206), an isotope that has 82 protons and 124 neutrons. Which atomic symbol could represent an isotope that undergoes radioactive decay to produce Pb-206?

A force of 450 N accelerates a box across a frictionless surface at a rate of 15 m/s2. What is the mass of the box? 30 N 30 kg 6,750 N 6,750 kg