How many milligrams are in 2.5 kg?

27/13Al+4/2He >>>> 30/15P+

Veseljchak [2.6K]

Answer

Explanation:

27/13Al+4/2He >>>> 30/15P+

5 0

3 years ago

Is epsom salt a pure substance or mixture

Crank

Epsom salt is a compound.

3 0

3 years ago

Read 2 more answers

- Explain how ionic bonds, covalent bonds, and metallic bonds each form and how.

-Dominant- [34]

Answer: -Ionic bonds form when one atom provides electrons to another atom. Covalent Bonds: Covalent bonds form when two atom shares their valence electrons. Metallic Bonds: Metallic bonds form when a variable number of atoms share a variable number of electrons in a metal lattice.

-Covalent Bonds.

Covalent Compounds. Contain no metals and no ions. Covalent compounds contain nonmetals only.

Example:

Ionic Compounds. A metal with a non-metal. Doesn't use prefixes for naming. Name the metal and change the nonmetal ending to -ide.

Explanation: Ionic bonds form when a nonmetal and a metal exchange electrons, while covalent bonds form when electrons are shared between two nonmetals. An ionic bond is a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions.

6 0

2 years ago

Changing the number of ___ gives an atom a neutral charge or causes it to take on a positive or negative charge. (pick on that b

artcher [175]

Answer:

g

Explanation:

7 0

3 years ago

Why is elemental zinc considered a pure substance?

Veseljchak [2.6K]

Answer: C... Because Zinc is made of only one type of atoms.

Explanation: All elements are made of one type of atom. Pure gold is made out of only gold atoms, silver out of only silver atoms, etc.

7 0

3 years ago