chemistry atomic structure please get right

Oct 3rd, 2015
Anonymous
Category:
Biology
Price: $5 USD

Question description

11 which of the following is atoms mass number

number of protons plus number of neutrons

number of electrons only

number of protons only

number of neutrons only

12 which of the following are charged and located within the nucleus of an atom

protons

neuttrons

electrons

protons and electrons

13 an atom has a charge of +1 in its nucleus which statement must be true in order for this atom to have no net charge

the one positive proton has no influence on the overall charge of the atom

there is one neutral neutron in the nicleus as well

there is one negatively charged electronoutside the nucleus

there is one negatively charge electron in the nucleus

14 rutherfords gold foil experiements proved the exisitence of which of the following

the neutron

the electrons outside the nucleus

the protons only

the nucleus

15 which of the following is the most massive part of the atom

nucleus

orbitals

neutrons

protons

16 an atom of strontium has at least four different isotopes what is different between an isotope of 86 Sr and an isotope of 87 Sr

the number of protons in the neucleus

the size of the nucleus

the number of electrons in the atom

the number of neutons in the nucleus

17 what is the average atomic mass of a sample of indium

114.5 amu

114.818amu

113.909amu

115.00amu

18 an atom of 14 protons and 14 neutrons what is the chemical symbol for the atom consult periodic table

Cr

Si

Al

Mg

19 an atom has an average atomic mass of about 24.3 amu what is the chemical symbol for the atom

Ca

Mg

Cr

Mn

20 an atom of varnadium has 23 protons how many electrons must it have if it has a net charge of O

24

23

25

26

Tutor Answer

(Top Tutor) Brittney M
School: Carnegie Mellon University
PREMIUM TUTOR

Studypool has helped 1,244,100 students

Review from student
Anonymous
" Goes above and beyond expectations ! "
Ask your homework questions. Receive quality answers!

Type your question here (or upload an image)

1821 tutors are online

Brown University





1271 Tutors

California Institute of Technology




2131 Tutors

Carnegie Mellon University




982 Tutors

Columbia University





1256 Tutors

Dartmouth University





2113 Tutors

Emory University





2279 Tutors

Harvard University





599 Tutors

Massachusetts Institute of Technology



2319 Tutors

New York University





1645 Tutors

Notre Dam University





1911 Tutors

Oklahoma University





2122 Tutors

Pennsylvania State University





932 Tutors

Princeton University





1211 Tutors

Stanford University





983 Tutors

University of California





1282 Tutors

Oxford University





123 Tutors

Yale University





2325 Tutors