Question
Question 7(1 point) Atoms of the same element with different numbers of neutrons are called __ a metals b radioactive elements C metalloids d isotopes Question 8 (1 point) A particle that moves around the nucleus is a(n) __ a proton b electron C neutron d quark Question 9 (1 point) Which of the Group 13 elements is not a metal?
Answer
4.1
(270 Votes)
Reuben
Advanced · Tutor for 1 years
Answer
### Question 7: d. isotopes### Question 8: b. electron### Question 9: Boron
Explanation
## Step 1: Identify the term for atoms with different numbers of neutrons### Atoms of the same element with different numbers of neutrons are called isotopes.## Step 2: Identify the particle that moves around the nucleus### The particle that moves around the nucleus is an electron.## Step 3: Identify the non-metal element in Group 13### In Group 13, boron is the element that is not a metal.