Best Answer: First true and second false.- ... Isotopes of an element have different atomic masses is TRUE. An isotope is an element, say carbon for example, that ...
Absent-mindedness is where a person shows inattentive or forgetful behaviour. It can have three different causes: a low level of attention (blanking or zoning out) intense attention to a single object of focus (hyperfocus) that makes a person oblivious to events around him or her;
Definitions include: a meal between lunch and dinner. lose (one's) lunch; Definitions include: to vomit: lunchin' Definitions include: Absent minded 2. not paying attention 3. stupid. lunching; Definitions include: absent minded, inattentive. out to lunch; Definitions include: excellent, very attractive, etc. pack a lunch