元素周期表中质子数等于中子数的元素有

2025-04-05 15:49:31
推荐回答(2个)
回答(1):

ls你把相对质量打出来干吗……
原子序数=质子数
中子数+质子数=质量数(约等于相对质量)
原子序数
元素符号
中子数
1
h氢
0
2
he氦
2
3
li锂
4
4
be铍
5
5
b硼
5
6
c碳
6
7
n氮
7
8
o氧
8
9
f氟
9
10
ne氖
10
11
na钠
12
12
mg镁
12
13
al铝
14
14
si硅
14
15
p磷
16
16
s硫
16
17
cl氯
18
18
ar氩
22
19
k钾
20
20
ca钙
20
相同元素的不同核素中子数不同,这里列出的是最常见核素的中子数

回答(2):

相对原子质量、质子数、中子数之间的关系

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