Chapter3HW - Chapter 3 Homework Name: _ IF THE PROBLEM...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 3 Homework Name: ________________________________________________________ IF THE PROBLEM INVOLVES CALCULATION, SHOW IT! 1. Indicate (X) which subatomic particle(s) correctly match(es) each of the following phrase. proton neutron electron Is(are) not found in the nucleus X Has/Have a positive charge X Has/Have a mass slightly less than a neutron X Account(s) for isotopes X Determine(s) the chemical properties of the atom X X Has/Have a relative mass of 1(one) X X Can be called a nucleon X X 2. Complete the following table Isotope A Z Protons Neutrons Electrons 20 40 Ca 40 20 20 20 20 18 40 Ar 40 18 18 22 18 11 23 Na 23 11 11 12 11 17 37 Cl 37 17 17 20 17 17 35 Cl 35 17 17 18 17 3. An element has two common isotopes:80.4% of the atoms have a mass of 11.01 amu and 19.6% of the atoms have a mass of 10.01 amu. Calculate the atomic mass for this element. Identify the element.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
this is the element Boron 4. Write the complete electron configuration for the elements below. Element
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 5

Chapter3HW - Chapter 3 Homework Name: _ IF THE PROBLEM...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online