Chemistry question. poeple good at chemirty please answer?

Question

ok my teacher gave us this chemistry h/w worksheet & we have to use the notes we took in class.

but the ntes arent answering the questions

so someone help..this is hard

1. The atomic number tells the number of positively charged __________ in the nucleus of an atom. The atom is ________ because this is also the number of _________ charged ____________ in the atoma.

2. The mass number tells the total number of ________ (is it protons?) and ________ (is it neutrons?) in the nucleus of an atom. These particles collectively are called__________ since both are located in the nucleus.

3. Isotopes are atoms of the cam eelement with different numbers of ___________ ( is it mass number?) which results in different _____________ numbers.

4. Write the hyphen notation notation of the three isotopes of hydrogen:

a.

b.

c.

these arew the questions i didnt understand really...my notes didnt really help much

heres my teachers website, she was suppose to put up the notes but she didnt, or i cant find them

http://teacherweb.com/ga/campbellhighschool/marquitasmith/NewsFlash2.stm

go check out the website..im really confused guys

Answer 1

1.  "protons";  "neutral";  "negatively";  "electrons"

2. "protons";  "neutrons";  "nucleons"

3  "nucleons" or "neutrons";   "mass"

Hydrogen-1,  Hydrogen-2 (Deuterium) and Hydrogen-3 (Tritium)