If element x has 88 protons, how many electrons does it have

Which is the safest place to be during a thunderstorm? A[A playground] B[A field] C[A tree] D[A car]

Match the term with the definition. Match Term Definition Atom A) a substance that cannot be broken down into a simpler substance Element B) a tiny piece of matter Particle C) a unique form of matter in which it can exist Phase D) the basic unit of

Inertia is the resistance to change in motion do inertia depends solely on what?

What is the input and output of a microwave?

Mars has an orbital period of 1.88 years. in two or more complete sentences, explain how to calculate the average distance from mars to the sun, and then calculate it.

Fourteen billion years represents the approximate age of?

An engineer uses aluminum to build an airplane rather than composite materials that are lighter and stronger. He does this because he is concerned about the composite materials and how suddenly they can fail. This is an example of:

Teresa wanted to test the effects of liquid density on the speed of sound waves. what is the dependent variable in her experiment?

A proton (mass = 1.67*10-27 kg, charge = 1.6*10-19 C) travelling with speed 1*106 m/s enters a region of space containing a uniform magnetic field of 1.2 T. What is the time t required for the proton to re-emerge into the field-free region? t =

A scientific_ is a rule used to discribe a pattern seen in nature not an examplanation of why that patten might occur