Called a family called a period
metals to nonmetals
number of energy levels in atom
physical properites are similar
number of valence electrons
solids to gases
with what and how the element will bond
Row
Column

What’s a special glass that most beakers are made of

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural. question 2 reflects a moral or social value. question 3 refers to something that can be measured. question 4 reflects a question that can’t be observed.

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?