Introduction to Chemistry - the atom

Everything is made up of little tiny things called _______

• compounds

• atoms

• molecules

• solids

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

From the diagram, which particles are indicated with the arrow?

• electrons and protons

• electrons and neutrons

• protons and neutrons

• photons and nucleons

Tags

NGSS.MS-PS1-1

These particles orbit around the nucleus of an atom. What are they called?

• electrons

• neutrons

• protons

• photons

Tags

NGSS.MS-PS1-1

In the centre of the atom is something called _______

• the kernel

• the nucleus

• the cell

• the focal point

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NGSS.MS-PS1-1

What are the names of the particles in the nucleus?

• protons and neutrons

• protons and electrons

• photons and neutrons

• nucleons and protons

Near the outside of an atom, you'd find

• electrons

• neutrons

• protons

• photons

The protons and neutrons are inside the nucleus and contain almost all of the _________

• charge of the atom

• mass of the atom

• volume of the atom

• kinetic energy of the atom

In terms of matter, the atom is almost entirely filled with ______________

• orbiting electrons

• heavy neutrons

• charged protons

• empty space

What is the chemical symbol for the element hydrogen?

• H

• Hy

• He

• Hd

What is the chemical symbol for the element Silver?

• S

• Au

• Si

• Ag