What element has the electron configuration 1s2
2s22p63s23p1 ?
What is the noble gas shorthand notation for arsenic, As?
Which of the following have the same electron configuration as helium? (Select all that apply.)
What is the electron configuration of O2-?


What's the name of CO?
What's the name of CO2?
What's the official name of water, using the correct naming scheme for molecules?
What's the name of N2O4?
What's the name of N2O5?
Choose the correct category for each substance
Covalent Compound | Ionic Compound | Metal | |
|---|---|---|---|
KI | |||
C6H12O6 | |||
brass (mixture of copper and zinc) | |||
SiO2 | |||
Al | |||
HNO3 |
Which of the following are network covalent compounds?