ashgarcia15
ashgarcia15
21-10-2015
Chemistry
contestada
what is the atomic number of 23na
Respuesta :
Mariedelgado04
Mariedelgado04
21-10-2015
11 protons 11 electrons and 12 neutrons
Answer Link
VER TODAS LAS RESPUESTAS ( 81+ )
Otras preguntas
An effect of Yom Kippur War was a. Increased arms for the Israelis b. A peace agreement between Syria and Israel c. A decrease in the violence of the PLO d. The
Which best describes religion in Africa? a. Most people follow religions brought from the americas. b. Most people follow religions brought to the continent by
What monomer is made up of a base, a sugar, and a phosphate group
Which phrase appears in the preamble of Florida’s constitution and in the preamble of the US Constitution? a. maintain public order b. insure domestic tranquili
why was mecca an important city for the arabs on the arabian oenninsula
why was mecca an important city for the arabs on the arabian oenninsula
Which of these is most responsible for differences from the twentieth century to the twenty-first century? a. Fuel-efficient automobiles b. Low-cost computers c
Scientists tested the effect of a fertilizer on the growth of plants. They had 2 sets of plants, Group A which gets fertilizer, water and sun and Group B which
When chemical bonds are formed, energy is _______the bond? a) Stored in b)Released from c)Not needed in Please help
which historic era brought around the largest increase in air pollution? a. the rise of towns b. the invention of fire c. industrial revolutions d. the age of e