Examlex
Identify by number (1A-8A) the main group of the periodic table to which the described element (X) belongs, in each of the following cases.
a. X commonly forms the ion X2-.
b. X reacts with water according to the equation
X(s) + 2H2O(l) → X(OH)2(aq) + H2(g)
c. X exists as molecules, X2; its hydride has the formula HX.
d. X is a metal which reacts with oxygen to produce the peroxide, X2O2.
Involving Families
Engaging parents or family members in the educational or developmental processes of children, recognizing their instrumental role and impact.
Bronfenbrenner
Bronfenbrenner is a developmental psychologist who formulated the Ecological Systems Theory, which describes how different layers of the environment influence an individual's development.
Bioecological Model
A theoretical model that emphasizes the importance of biological systems and the ecological environment in the development of individuals, proposed by Urie Bronfenbrenner.
Microsystems
Microsystems are immediate environments or contexts in which an individual actively participates, such as family, school, or peer groups, influencing their development.
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