Ions are atoms of the same element that have a different number of _____________.Question 13 options:

A. nuclei

B. nucleons

C. electrons

D. protons

E. neutrons

Answers

Answer 1

Answer:

The correct option is C.

How do an atom and an ion of the same element differ?

Atoms are neutral; they contain the same number of protons as electrons. By definition, an ion is an electrically charged particle produced by either removing electrons from a neutral atom to give a positive ion or adding electrons to a neutral atom to give a negative ion.

What makes different ions of the same element different?

An isotope is one of two or more forms of the same chemical element. Different isotopes of an element have the same number of protons in the nucleus, giving them the same atomic number, but a different number of neutrons giving each elemental isotope a different atomic weight.

Learn more about electrons here brainly.com/question/23390564

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Answer 2

Answer: C, electrons. Ion of an element has the same nucleus, the same number of protons and neutrons, with a different number of electrons.

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The __________ is the layer of the atmosphere where satellites and the space shuttle orbit the Earth.a. tropospherec. mesosphereb. stratosphered. exosphere
A coil of insulated wire is wound many times around an iron bar. The wire is connected to a battery and a contact switch. The contact switch is alternately flipped closed and left closed, so the wire carries a current through it, and then flipped open and left open, so that the current stops. Describe what magnetic fields are created, if those magnetic fields in turn induce an emf, and whether the induced emf is in the direction of the original current or opposite to it. Justify your answer using Lenz's law and the conditions which can cause a magnetic field to induce an emf. You may draw a diagram if it helps you to visualize the apparatus.
Who first arranged the elements according to atomic mass and noticed a periodic recurrence of their physical and chemical properties?A. Henry Moseley B. Antoine Lavoisier C. John Dalton D. Dmitri Mendeleev
two objects were lifted by machine one object had a massive 2 kg it was lifted at a speed of 2 m/s the other had a massive 4 kg and was lifted at a rate of three meters per second which object has more kinetic energy
A truck crossing a bridge causes the bridge to vibrate. The bridge ceases to vibrate after the truck crosses. This is an example of _____.

Gravity is a force between any two objects with mass. Why doesn't a person feel a gravitational force between him/herself and another person?A) A person doesn't exert a gravitational force.

B) The two gravitational forces cancel each other out.

C) The gravitational forces of people is so small it is
overshadowed by that of Earth.

D) There are so many people we are actually balanced by all the different gravitational forces.

Answers

The answer would be C. The gravitational force between two bodies however it is too small that it is overshadowed by that of earth. Gravitational force is the weakest force of all. Each body with a mass exerts a gravitational force onto each other but this value is so small that it can be neglected.

When you drop a 0.4 kg apple, Earth exerts a force on it that accelerates it at 9.8 m/s° toward the earth's surface. According to Newton's third law, the apple must exert an equal but opposite force on Earth.If the mass of the earth 5.98 x 1024 kg, what is the magnitude of the earth's acceleration toward the apple?
Answer in units of m/s?.

Answers

When you drop a 0.4 kg apple, Earth exerts a force on it that accelerates it at 9.8 m/s° toward the earth's surface. According to Newton's third law, the apple must exert an equal but opposite force on Earth.
If the mass of the earth 5.98 x 1024 kg, what is the magnitude of the earth's acceleration toward the apple?
Answer in units of m/s?.

What is the process by which water dissolves certain minerals in the soil and carries them away?

Answers

The correct answer would be LEACHING. When at first thought, it would seem that it is erosion. Erosion not only eliminates the soil minerals, it also washes everything else and that includes the soil. In a different manner, Leaching can happen when certain minute particles of the minerals are melted and mixes with water. All that is left in the soil will be the bigger particles that are not soluble by water. In this manner, only a soil that cannot properly nourish remains as it is stripped off of minerals.

A cheetah ran 300 feet in 2.92 seconds. What was the cheetah’s average speed in miles per hour?

Answers

We will first convert feet to miles:
1 foot = 0.00018939 miles
300 foot = 0.056817 miles
Than seconds to hours:
2.92 seconds = 0.04867 minutes = 0.0008111 hours
Average speed :
v = d / t
v = 0.056817 miles / 0.008111 h
v = 70.05 miles per hour

The function of a capacitor in an electric circuit is to?A. measure the amount of current in the circuit.
B. increase circuit power
.C. allow current flow between its plates.
D. store electric charges.

Answers

Well let's see:

A). No. A capacitor doesn't measure anything.

B). No. The power delivered to the circuit is determined by
      the battery or power supply and all the things in
the circuit that dissipate energy. A capacitor doesn't
do any of these things.

C). No. If any current actually flows between its plates,
   the capacitor is shot and can't do its job, and
   must be replaced.

D). Yes. A capacitor stores charges on its plates, and
electrical energy in the field between its plates.

Answer:

D. Stores electric charges

2. A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius r. A passenger feels the seat of the car pushing upward on her with a force equal to five times her weight as she goes through the dip. Of r = 21.5 m, how fast is the roller coaster traveling at the bottom of the dip?