1. Dalton's idea that atoms cannot be divided into smaller parts was disproved by the discovery of the ____.

Question

2. The description of the structure of the atom is called the ___.

3. In a water molecule, two atoms of hydrogen and one atom of oxygen share electrons. A _____ bond is found in a water molecule.

4. Sodium chloride is formed when the metal sodium bonds to the nonmetal chlorine. The atoms are held together by an ____.

5. One way the modern atomic model differs from Thomson's atomic model is that electrons are no longer scattered throughout an atom's positive matter like chocolate chips in cookie dough. Instead, each electron is outside of the nucleus occupying a specific _____.

6. If new information about the behavior of atoms is discovered and verified, then revision will need to be made to the current ____.

7. The number of protons in the nucleus of an atom is its ___.

Word bank:
Atomic number**7
ionic bond
atomic mass
law of conservation of mass**1
endothermic reaction
electron
ionic bond**4
covalent bond**3
product
isotope**5
proton
carbon cycle
energy level, orbital, or shell
atomic model**2
atomic theory**6

Please help (:

Answer 1

atrom cannot be divide in well prove it

Answer 2

But are his answers correct?

Answer 3

Photosynthesis is an example of an endothermic chemical reaction. In this process, plants use the energy from the sun to convert carbon dioxide and water into glucose and oxygen.