Atoms and molecules

Atoms and Elements

100

Give an example of an element

oxygen, gold, hydrogen, etc

200

Positively charged particle in the nucleus

What is a proton

300

Which element has the symbol N?

nitrogen

400

Smallest atom

Hydrogen

500

Which elements have such a strong pull on electrons that they "steal" them from other atoms

Group 7: Cl, F, I, etc

Particle motion and states of matter

100

How can we increase the motion of particles in a material?

add thermal energy

200

In which state of matter are the particles vibrating but not moving?

solid

300

Adding heat to a liquid turns it into a __________

gas

400

condensation turns ____________ into ___________

gas, liquid

500

Ice cubes shrinking in the freezer, without melting, is caused by ___________

sublimation

Molecules

100

what is the formula for water

H₂O

200

How do the atoms that make up molecules stick together?

chemical bonds

300

What type of bond holds Sodium (Na) and Chlorine (Cl) together to form table salt??

ionic

400

How many Hydrogens in C₁₄H₂₆O₁₄?

 26

500

What type of bond holds Iron (Fe) and Chromium (Cr) together in stainless steel?

Metallic

Periodic Table

100

Element with 1 proton

 hydrogen

200

6 protons and 6 electrons

Carbon

300

Fe

chemical symbol for iron

400

Elements that are neither metals nor non-metals

metalloids

500

Elements with a single valence electron, which makes them very reactive, especially when they are mixed with water

alkali metals (Li, Na, K, Rb, etc)

Chemical bonds

100

What are the three types of chemical bonds?

covalent, ionic, metallic

200

What type of chemical bond is formed by shared electrons?

covalent

300

Formed between a metal and a non-metal

ionic bond

400

What type of bond holds the two oxygen atoms in O₂ together?

covalent

500

Element that does not form chemical bonds

Noble gases (He,Ne, Ar, Kr, Xe)