How is the modern periodic table arranged?
2 answers:
Modern periodic table is arranged on the basis of element's increasing "Atomic numbers"
Hope this helps!
Answer:
by atomic number, with chemical families or groups in columns and periods in rows
Explanation:
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Construct a table i think
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A coordinate bond
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Explanation:</h3>
- A chemical bond is a force of attraction between two or more atoms of elements.
- Covalent bond is a type of chemical bond that occurs between non-metal atoms.
- It occurs as a result of sharing of electrons between the non-metal atoms.
- Atoms involved in covalent bond formation may contribute equally to the bond formation or the electrons shared may come form one of the atoms.
- When the electrons shared in a covalent bond are derived from one atom, then the covalent bond is known as a coordinate bond.
Two or more different elements
Answer:
your answer may be found on a website called "Thought.co"
once you get there just search "Examples of Chemical Reactions in Everyday Life" and it will give you some ideas :)
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A group of cells ready to form roots a stem and the first leaves
