Show:
Atoms
Periodic Table
Metals and Nonmetals
Element Identity
Misc.
100

This is the center of an atom

What is the Nucleus?

100
The atomic number of an element tells me the number of this in the nucleus
What are Protons?
100

Nonmetals are found mostly on this side of the periodic table

What is the Right?

100

The element with 4 protons

What is Beryllium?

100

The way the periodic table is organized.

What is atomic number?

200
These particles have a negative charge, no mass and located outside the nucleus.
What are electrons?
200
The horizontal rows on the Periodic table.
What are periods?
200
Material that can be hammered or rolled into sheets
What is Malleable?
200
The Metalloid in period 4 with four valence electrons.
What is Germanium?
200

The model of the atom where the central core contains protons and neutrons surrounded by a cloud of electrons is best described as  

What is the modern model of the atom?

300

These two particles (found in the nucleus) are what makes up an atom's mass

What are Protons and Neutrons?

300
An atom of hydrogen consists of one ____________ surrounded by one _____________. 

What is proton and electron?

300

Name of the second most reactive group of metals

What is Alkaline Earth Metals (group 2)

300
The element with four energy levels and two valence electrons.
What is Calcium?
300

The elements are arranged in a horizontal position.

What is period?

400

The building blocks of all matter.

What are atoms?

400

Na is the chemical symbol for this element

What is Sodium?

400

Most elements on the periodic table are these.

What are metals?

400
The element with 50 protons
What is Tin?
400

This section of the periodic table is organized vertically.

What is group?

500

The nucleus of an atom contains these subatomic particles.

What is are protons and neutrons?

500

When added together they make up the atomic mass of an element.

What are protons and neutrons?

500

Name 4 nonmetals

What is He, H, C, N, O, F, Ne, P, S, Cl, Ar, Se, Br, Kr, I, Xe, Rn, UUo (18 total)

500
Identify a nonmetal with only one valence electron.
Hydrogen?
500

Modern atomic theory states that the atom is a diffuse cloud surrounding a small, dense nucleus.  Identify which particle is in the nucleus.

What are neutrons?