Periodic Trends — Unit test Answers
0 verified answers1 views
21
Free Preview
Hydrogen has three isotopes 1H, 2H, and 3H. What is the difference between these three isotopes?
A
The number of protons ranges from 1 to 3.B
The number of electrons ranges from 1 to 3.C
The number of neutrons ranges from 0 to 2.D
The number of protons ranges from 0 to 2.22
Free Preview
What is the atomic number of zirconium?
A
39B
40C
41D
4223
Which statement best describes how electrons fill orbitals in the periodic table?
A
Electrons fill orbitals in order of their increasing energy from left to right.B
Electrons fill orbitals in order of their increasing energy from right to left.C
Elements fill orbitals in order of increasing energy from top to bottom in each group.D
Elements fill orbitals in order of increasing energy from bottom to top in each group.24
The diagram below shows some subatomic particles.Which of these statements best identifies the particle that is labeled with an X?
A
It is either a nucleus or a proton.B
It is either a proton or a neutron.C
It is either a neutron or an electron.D
It is either an electron or a nucleus.25
Which element has 32 protons in its nucleus?
A
phosphorusB
cobaltC
germaniumD
sulfurDid you find these answers helpful?
Verified answers available
TRY EDGENUITY HACKS
- Auto Complete Exams
- Auto Complete Assignments
- Skip Videos Instantly
50,000+ students using this