An atom has 10 protons, 9 neutrons, and 11 electrons. What is its atomic mass?
What is its Charge?
What is its element symbol?

Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-responsequestion. there are 15 questions on the test and the students have been given 55 minutes to complete itwhich value could replace x in the table? 5507-m23-m8(15-m)8(15)-m

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ac=26 and ch=8, find bh.

Write the percent as a fraction or mixed number in simplest form. 0.8%