How many neutrons does element x have if it's atomic number is 23 and it's mass is 90

In a simple electric circuit, a 24-ohm resistor is connected across a 6.0-volt battery. What is the current in the circuit? (1) 1.0 A (3) 140 A (2) 0.25 A (4) 4.0 A

A 1kg block is pushed with an external force of 20 newtons then slows to rest after moving 3M if the coefficient of friction between the block and the table is. 5 what is the total work done by the block?

Chemical bonds are formed from the attractive force of atoms for electrons. What is the force called?

Which are properties of both a gas and a plasma? Check all that apply. (1) can change shape to conform to a container (2) has a rigid shape that does not change easily (3) is made up of free-moving ions and electrons (4) is compressed more easily

Explain the relationship between motion and frame of reference.

How to calculate kinetic energy? (physics/physical science)

What's the difference between the offspring of an asexual organism and a sexual organism

The contamination that results from the spread of bacteria from meat to vegetables is called

A rock has a mass of 5 kg on the moon. What is the mass of the rock on the earth

A battery applies 45 volts to a circuit, while an ammeter reads 10 ma. later, the ammeter reading drops to 7 ma. assuming the resistance has not changed, the voltage must have