10/27/2018 H.W
1 t he valence electrons for Na are 3 electrons  true false
2
Atoms in the same group have same physical properties true false
3
To measure the volume of irregular solid shape so we use graduated cylinder true false
4 the density of a sample of Al metal at 8.4g and 3.1 cm at zero degree c temperature is 2.7 k.g
per meter cubic https://me.classera.com/student/assignments/show_homework_questions/aid:3728886/cid:5888 1/3

10/27/2018 true false
H.W
5
The chemical formula for copper is Co in perodic table true false
6
A hot tea is a homogenous mixture true false
7
Plasma is a high temperature physical state of matter in which atoms lose most of their electrons true false
8 https://me.classera.com/student/assignments/show_homework_questions/aid:3728886/cid:5888 2/3

10/27/2018 H.W
Extensive properties does not depend on the amount of matter  true false
9
Mass = weight at constant temperature true false
10 true false https://me.classera.com/student/assignments/show_homework_questions/aid:3728886/cid:5888 3/3