An element has 50 protons nd 90 neutrons. will the nucleus breakdown? why or why not?

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer

7types of electromagnetic waves from lowest to highest frequency

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?