An object with 5 protons, 5 electrons and 6 neutrons would have what charge

The outer planets are small, rocky planets with iron cores. True or False

Of the three types of radiation listed below, which is the least penetrating and which is the most penetrating? - alpha - beta - gamma

the gravitational force between two objects is 1600 and what will be the gravitational force between the objects if the distance between them doubles?

My reaction time was 0.7268 seconds the first time and 0.3883 the second time. What was yours

Through which one of the following mediums is the velocity of a sound wave the greatest? A. Steel B. Water C. Air D. Lead

What feature of the ocean basin is formed when old oceanic crust is forced under continental plates

Thermal energy from the Earth's core heats rock and creates magma. This hot magma then rises toward the Earth's surface, cools, and sinks back down toward the Earth's core. Which actions below occur during this process? (multiple answers) A.

A surface is bombarded by particles, each of mass small 'm', which have velocity normal to the surface. On average, n particles strike unit area of the surface each second and rebound elastically. What is the pressure on the surface? A. nmv B.

If an atom has twelve electrons, how many electrons are in the n=1 energy level? how many electrons are in the n=2 energy level? how many electrons are in the n=3 energy level?

Which object is largest? star galaxy globular cluster planet?