Which of these parts of the atom is directly involved in chemical changes?

A. electron

B. nucleus

C. neutron

D. proton

An atom in a pure metal that's face-centered cubic has ___ neighbor atoms.

a pure aluminium block with a mass of 10g is heated so that its temperature from 20C to 50C. The specific heat capacity of aluminium is 8.99 x 10^-1 J/gK. which expression gives the heat energy change in kJ

What is true about the solution process involved in an instant cold pack

A student reports three trials to measure the density of an unknown metal. indicate the most accurate value and why

What is a double bond? a. a bond between two atoms b. one pair of electrons shared between two atoms c. two pairs of electrons shared between two atoms d. two pairs of electrons shared between four atoms

You know that 8.9 moles of solute particles are dissolved in that liquid solution. If the molarity of the solution is 25 M, how many liters of solution do you have?

Which of the following will most likely happen if you apply unbalanced forces to an object? It will change position. It will become charged. It will change mass. It will change size.

Magnetism easily separates what mixture? A). Sand and glass B). Sand and iron C). Sand and clay D). Sand and aluminum

Match the science with the best description?

Can magnetism be used to identify a substance