An atom that has a negative four charge will have which of the following?

a.) 4 more protons than electrons
b.) an equal amount of protons and electrons
c.) 4 more electrons than protons
d.) 2 more neutrons than protons

Lin yao looks at the back of a spoon. how should she describe her reflection? upside down and smaller upside down and larger right-side up and smaller right-side up and larger

Currents in dc transmission lines can be 100 a or higher. some people are concerned that the electromagnetic fields from such lines near their homes could pose health dangers. for a line that has current 150 a and a height of 8.0 m above the ground, what magnetic field does the line produce at ground level? express your answer in teslas and as a percentage of the earth’s magnetic field, which is 0.50 g. is this value cause for worry?

What are some important factors to consider when choosing a warm-up before your workout?