Select the correct answer.
which sentence about particles in matter is true?
o a. atoms...
Chemistry, 21.11.2019 20:31, bricquan10
Select the correct answer.
which sentence about particles in matter is true?
o a. atoms are present in solids and liquids but not in gases.
o b. the particles of matter are in constant motion.
oc. the same kinds of atoms are found in different elements.
od. when a solid changes to a liquid, the sizes of the particles change.
reset
next
Answers: 1
Chemistry, 22.06.2019 02:00, hemolelekeakua
The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?
Answers: 3
Chemistry, 22.06.2019 08:30, melikefood01
Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?
Answers: 1
Chemistry, 22.06.2019 12:00, shifaxoxoxo
What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist
Answers: 2
Chemistry, 26.05.2021 02:40
Social Studies, 26.05.2021 02:40
Mathematics, 26.05.2021 02:40
Mathematics, 26.05.2021 02:40
Spanish, 26.05.2021 02:40