2 Which particle has a mass of approximately 1 atomic mass unit? (1) an alpha particle (3) an electron

(2) a beta particle (4) a neutron

The time required for a radioactive mass to reduce by a factor of 2 is called: decay constant half-life decay rate time factor

The number of which subatomic particle changes to create an isotope?

When the following equation is balanced using the smallest possible integers, what is the coefficent of oxygen gas? C7H16O (g) + O2 (g) → CO2 (g) + H2O (g) -1 -5 -8 -16 -21

What are similarities and differences between compounds & elements?

Inert gases are highly electronegative true or false

A flexible vessel contains 43L of gas where the pressure is 1.3 atm. What will the volume be when the pressure is 0.61 atm, the temperature remaining constant?

What are the 4 variables that influence gas behavior

Describe three characteristics that trees used to build treehouses should have. why are these characteristics essential

Select the correct value for the indicated bond angle in each of the following compounds: O-S-O angle of SO2 F-B-F angle of BF3 Cl-S-Cl angle of SCI2 O-C-O angle of CO2 F-P-F angle of PF3 H-C-H angle of CH4

What is the shape of a molecule with a triple bond?