Everything is Made of Atoms - Page 4
Questions
- An atom contains a total of 25 electrons. When the atom is in the ground state, how many different principal energy levels will contain electrons?
- What is the atomic particle that has a charge opposite to that of an electron is called?
- What atom does not have any neutrons?
- Urea, chemical formula #(NH_2)_2CO#, is used for fertilizer and many other things. How do you calculate the number of N,C, O, and H atoms in #1.68 x 10^4# g of urea?
- How atoms and molecules are affected by heat?
- How are atoms and molecules related?
- Do chemists count atoms and molecules?
- Do unstable atoms give off smaller particles as they fall apart?
- Why are atoms and molecules always in motion?
- What happens if you add one proton to the nucleus of an atom?
- A pencil point has billions of these atoms?
- How do atoms become molecules?
- How many atoms of each element is in #CaCO_3#?
- What do atoms and molecules make up?
- What does Atom mean?
- How does the mole relate to atoms, molecules and ions?
- The strong nuclear force is an attractive force that binds what?
- Which subatomic particle can help you determine if two atoms the same element?
- What is the subatomic particle that determines the name of an atom?
- Who was one of the first people to suggest that matter is made up of particles that cannot be divided?