subject
Physics, 21.10.2020 19:01 kiingbr335yoqzaxs

An atom has an atomic number of 12 and a mass number of 25. How many neutrons does the atom have? (2 points) a
12

13
Ос
25
Od
37

ansver
Answers: 1

Other questions on the subject: Physics

image
Physics, 22.06.2019 19:30, barstr9146
How many electrons in an atom could have these sets of quantum numbers? =3n=3 electronselectrons =4,ℓ=2n=4,ℓ=2 electronselectrons =6,ℓ=ℓ=−1n=6,ℓ=2,mℓ=−1
Answers: 3
image
Physics, 23.06.2019 00:00, isabella4141
Which is an advantage of subdividing science into different areas?
Answers: 3
image
Physics, 23.06.2019 02:00, raptortrainor2013
Farmer a has a deep well and needs a lot of water for her animals and crops. her neighbor, farmer b, has a shallower well. he needs less water than farmer a because his farm is smaller. in years of drought, sometimes farmer b can't get any water from his wells. what can farmer b do to decrease the likelihood of his well running dry?
Answers: 3
image
Physics, 23.06.2019 05:30, geo58
20) what is a magnetic field? 21) in which direction do magnetic field lines always point? 22) sketch a diagram showing how a plotting compass points around a 23) name two magnetic poles that will: a) attract each other b) repel each other. 24) explain why you can use a compass to navigate. 25) what's an electromagnet? 26) list two ways to increase the strength of an electromagnet. 27) the wire in a simple motor feels a force when a current flows through it. why is this? i need answers to check mine
Answers: 1
You know the right answer?
An atom has an atomic number of 12 and a mass number of 25. How many neutrons does the atom have? (2...

Questions in other subjects: