Flashcards

Chemistry

olimpia105 Inglês 15 flashcards

Flashcards do conjunto (15)

1What is atom?Minute particle that everything is made out off.
2Where is nucleus found?Center of atom.
3What does nucleuse contain?@ Protons
@ Neutrons
4What is found around nucleuse?Electrons
5What charge are electrons?Negative (-1)
6What charge are protons?Positive (+1)
7What charge are neutrons?No charge (0)
8What is an element?Substance that contain only one type of atom.
9What is a compound?Two or more elements chemically joint together.
10What is ion?Charged particle.
11Which type of ions does metal forms?Positive ions.
12What type of ion does non-metal form?Negative ions.
13What is a mixture?Two or more elements that sre not chemically joint together.
14Between metal and non-metal ocure __?__ bonding.Ionic.
15Between two non-metals ocure __?__ bonding.Covalent.