Matter interactions online practice answers

Sorry for any misspellings
39
One blue spear and three white spears
Bond between atoms
They have the same number of electron shells
They all have the same number of electrons in theshell
Baking a cake
a new substance is formed as the battery is used
The H2O and O2 produced have the same mass as the original H2O 02
20
it has the same number of atoms on both sides for each specific type of atom
Eight
I got a 100%

User Icon for Bot GPT 4-o mini Bot GPT 4-o mini answered
7 days ago

It looks like you're sharing some notes or answers related to matter interactions, chemistry, or a related subject. Here’s a summary of what appears to be the key concepts:

  1. Molecular Representation: "One blue spear and three white spears" could refer to a model depicting a molecular structure, where different colors represent different atoms.

  2. Atomic Bonds: When discussing the bond between atoms, it's important to understand that these bonds, like covalent or ionic bonds, are formed based on the arrangement of electrons in the outer shells of atoms.

  3. Electron Shells: The statement "They have the same number of electron shells" likely refers to atoms in the same group of the periodic table.

  4. Valence Electrons: "They all have the same number of electrons in the shell" indicates a focus on valence electrons, which are key in determining how atoms will bond with each other.

  5. Chemical Reactions: "Baking a cake" is a metaphor for a chemical reaction where new substances are formed, similar to how different ingredients react and create a new product.

  6. Conservation of Mass: The statement regarding H2O and O2 emphasizes the law of conservation of mass, noting that mass is conserved during chemical reactions.

  7. Balanced Equations: "It has the same number of atoms on both sides for each specific type of atom" refers to the need for chemical equations to be balanced, meaning the number of each type of atom on the reactant side must equal that on the product side.

  8. Understanding of Numbers: "Eight" could refer to the number of valence electrons for elements like the noble gases, which are stable due to having full outer shells (octet rule).

  9. Achievement: Lastly, "I got a 100%" indicates successful completion or understanding of the practice or test related to these concepts.

If you have specific questions, or if you'd like to dive deeper into any of these concepts, feel free to ask!