Element by symbol
Molar Mass
Elements named after people
Chemical reactions
Periodic table trends
100

K

Potassium

100

What is the molar mass of Oxygen?

16.00g/mol

100

Es

Einsteinium (Named after Albert Einstein)

100

What type of chemical reaction occurs when two or more substances combine to form a new substance?

Formation

100

Which group on the periodic table contains the most reactive metals?

Alkali Metals (group 1)

200

Am

Americium

200

What is the molar mass of Hydrogen?

1.01g/mol

200

Bh

Bohrium (Named after Niels Bohr)

200

In what type of reaction do metals displace another metal from its compound?

Single Replacement

200

Which group on the periodic table contains the most reactive nonmetals?

Halogens (group 17)

300

Sb

Antimony

300

What is the molar mass of Sodium?

22.99g/mol

300

Rg

Roentgenium (Named after Wilhelm Röntgen)

300

What is the name of the reaction in which two compounds exchange ions to form new compounds?

Double Replacement

300

What trend in electronegativity is observed as you move down a group?

Electronegativity decreases

400

Pm

Promethium

400

What is the molar mass of Carbon?

12.01g/mol

400

Fl

Flerovium (Named after Georgy Flyorov)

400

What is the name of the reaction in which a single compound breaks down into two or more simpler substances?

Decomposition

400

Which group on the periodic table contains the least reactive nonmetals?

Noble Gasses (group 18)

500

Lv

Livermorium

500

What is the molar mass of Iron?

58.85g/mol

500

Cm

Curium (Named after Marie and Pierre Curie )

500

What is the general equation for a combustion reaction?

Hydrocarbon + Oxygen -> Water vapour + Carbon dioxide

500

Elements in group 2 are categorized as what kind of metal?

Alkaline Earth Metal