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defenitions

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卡片总数: 15内容版本: v3公开卡包更新时间: 8/1/2026

卡片预览 (15 张)

#1
正面 (问题)

the kinetic particle theory

背面 (解答)

the kinetic particle theory states that all matter is made up on tiny particles and they are in constant random motion

#2
正面 (问题)

diffusion

背面 (解答)

the net movement of particles of higher concentration to region of lower concentration

#3
正面 (问题)

what is an atom

背面 (解答)

the smartest particle that can still have chemical characteristics of an element

#4
正面 (问题)

ion

背面 (解答)

the particle formed when an atom or a group of atoms gain or looses electrons but number of proton and neutron remain the same

#5
正面 (问题)

isotopes

背面 (解答)

atoms of the same element that have the same proton (atomic) number but different nucleon (mass) number (diff number of neutrons)

#6
正面 (问题)

the ionic bond

背面 (解答)

the mutual electrostatic attraction between oppositely charged ions

#7
正面 (问题)

giant ionic crystal lattice

背面 (解答)

three dimensional structure of alternating positive and negative ions

#8
正面 (问题)

metallic bond

背面 (解答)

the mutual electrostatic forces of attraction between positively charge ions in a mental and the ‘sea’ of delocalised electrons

#9
正面 (问题)

allotropes

背面 (解答)

different forms of the same element with different structural arrangements of atoms

#10
正面 (问题)

alloy

背面 (解答)

a mixture if metal with one or more other elements

#11
正面 (问题)

acid

背面 (解答)

a substance that produces H+ ions in aqueous solutions

#12
正面 (问题)

strength if an acid

背面 (解答)

the extent if ionisatjon of an acid when dissolved in water

#13
正面 (问题)

sting acid

背面 (解答)

scid that completely ionises in water

#14
正面 (问题)

weak acid

背面 (解答)

acid that only partially ionises in water

#15
正面 (问题)

base

背面 (解答)

a metal oxide or hydroxide that contains either O2- or OH- ions