An atom with a mass number of 196 has 40 fewer protons than

An atom with a mass number of 196 has 40 fewer protons than what is the mass number of an atom that has 28 neutrons?请在5月 San Francisco __________ has a population of fewer than one 化工专业英语试题三,英译汉.(40 分) 1,An atom consists of a very small posi I'm an atom in a sea of nothing是什么意思 A highly volatile substance initially has a mass of 1200g an 1 A silicon chip used in an IC of microcomputer has a mass o 翻译：A neutron is a nuclear particle with an atomic mass of 2. 100分求一道物理题 If the mass of a hydrogen atom is 1.67*10^-27kg a A story about atom.(A day in the life of an atom)全英文,文章,不是题目 英译汉1,An atom consists of a very small positively charged nuc a great deal/ number/ amout of,a mass of,plenty of的用法问题,