Physics, 08.10.2020 04:01 mistiehaas
Atom A has an atomic number of 19 and a mass number of 40. Atom B has an atomic number of 20 and a mass number of 40. Which of these is an accurate statement?
A) Atom A has more protons than Atom B.
B) Atom A has one less proton and one more neutron than Atom B.
C) Atom A has an extra nucleon compared to Atom B.
D) Atom A has one more proton and one more electron than Atom B
Answers: 3
Physics, 22.06.2019 12:00
This is for my 8th grade science class, i really donβt understand. can someone me? , lol.
Answers: 1
Physics, 22.06.2019 14:10
Match these items. 1. coulombs __force 2. ohms __emf 3. centimeters __resistance 4. newtons __charge 5. volts __length
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Physics, 22.06.2019 16:30
One number is said to be an "order of magnitude" larger than another number if choose one: a. it is 10 times larger. b. it is 5 times larger. c. it is 3 times larger. d. it is 100 times larger. e. it is 2 times larger.
Answers: 1
Atom A has an atomic number of 19 and a mass number of 40. Atom B has an atomic number of 20 and a m...
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