UPCAT 2025 REVIEWER (SCIENCE)

When a metal and a nonmetal react, an _______ bond is likely to form.

IONIC

- Where two atoms share electrons. Instead of one atom giving away an electron

- Are the STRONGEST bonds (both nonmetals such as hydrogen and oxygen)

A. COVALENT BONDS

B. IONIC BONDS

C. CHEMICAL BONDS

D. METALLIC BONDS

A.

a positively charged ion CALLED?

A. CATION

B. ANION

C. MATION

A.

Are mixtures of positive and negative, nonmetal and metal

A. COVALENT BONDS

B. IONIC BONDS

C. CHEMICAL BONDS

D. METALLIC BONDS

B.

An atom or molecule that is negatively charged.

A. CATION

B. ANION

C. MATION

B.

IN CHEMICAL REACTION WHAT IS THE EXAMPLE OF IONIC BOND?

A. Methane (CH₄)

B. Glucose (C₆H₁₂O₆)

C. Magnesium oxide (MgO)

D. Nitrogen gas (N₂)

C.

is a measure of an atom's ability to attract and hold onto electrons.

A. ELECTROPOSITIVITY

B. ELECTRON

C. ELECTRONICS

D. ELECTRONEGATIVITY

D.

When two nonmetals react, they tend to s_ _ _ _ electrons to achieve full outer shells, forming _________bonds.

share ; covalent

When metals bond with other metals, they form a different type of bond known as a ________ bond.

METALLIC

- Involve a "sea of electrons" that are free to move around.

- Metal atoms release some of their electrons, which then flow freely around a lattice of positively charged metal ions

A. COVALENT BONDS

B. IONIC BONDS

C. CHEMICAL BONDS

D. METALLIC BONDS

D.

is the process by which a single cell divides to produce two identical daughter cells.

M_ _ _ _ _ _

MITOSIS

PHASES IN CELL DIVISION/ STAGES OF MITOSIS

Chromosomes attach to spindle fibers and move towards the center.

CHOICES:

-TELOPHASE

-CYTOKINESIS

-METAPHASE

-ANAPHASE

-PROPHASE

-PROMETAPHASE

PROMETAPHASE

PHASES IN CELL DIVISION/ STAGES OF MITOSIS

Sister chromatids separate and move to opposite ends.

CHOICES:

-TELOPHASE

-CYTOKINESIS

-METAPHASE

-ANAPHASE

-PROPHASE

-PROMETAPHASE

ANAPHASE

PHASES IN CELL DIVISION/ STAGES OF MITOSIS

Chromosomes condense, nuclear membrane breaks down, spindle fibers form.

CHOICES:

-TELOPHASE

-CYTOKINESIS

-METAPHASE

-ANAPHASE

-PROPHASE

-PROMETAPHASE

PROPHASE

PHASES IN CELL DIVISION/ STAGES OF MITOSIS

Cytoplasm divides, forming two identical daughter cells.

CHOICES:

-TELOPHASE

-CYTOKINESIS

-METAPHASE

-ANAPHASE

-PROPHASE

-PROMETAPHASE

CYTOKINESIS

PHASES IN CELL DIVISION/ STAGES OF MITOSIS

Chromosomes line up in the middle.

CHOICES:

-TELOPHASE

-CYTOKINESIS

-METAPHASE

-ANAPHASE

-PROPHASE

-PROMETAPHASE

METAPHASE

PHASES IN CELL DIVISION/ STAGES OF MITOSIS

New nuclear membranes form around each set of chromosomes, chromosomes decondense.

CHOICES:

-TELOPHASE

-CYTOKINESIS

-METAPHASE

-ANAPHASE

-PROPHASE

-PROMETAPHASE

TELOPHASE

WHAT PHASE IS PROMETAPHASE? (FIRST, SECOND, THIRD...)

SECOND PHASE

WHAT PHASE IS METAPHASE? (FIRST, SECOND, THIRD...)

THIRD PHASE

WHAT PHASE IS PROPHASE? (FIRST, SECOND, THIRD...)

FIRST PHASE

WHAT PHASE IS TELOPHASE? (FIRST, SECOND, THIRD...)

FIFTH PHASE

WHAT PHASE IS CYTOKINESIS? (FIRST, SECOND, THIRD...)

SIXTH PHASE

WHAT PHASE IS ANAPHASE? (FIRST, SECOND, THIRD...)

FOURTH PHASE

Are substances composed of two or more elements chemically combined that can be separated into simpler substances only by chemical means.

A. MIXTURE

B. MINERALS

C. COMPOUND

C.

Formed by substances and can be classified as homogenous or heterogenous and can be separated by simple means. Solutions and suspensions can be separated into components by physical means.

A. MIXTURE

B. MINERALS

C. COMPOUND

A.

THECOMPOSITION IS NOTUNIFORM THROUGHOUT. YOU CAN EASILY SEE DIFF COMPONENTS OR PHASES MIXED TOGETHER

A. HOMOGENOUS MIXTURE

B. HETEROGENEOUS MIXTURE

B.

YOU CAN'T DISTINGUISH DIFF. COMPONENTS BY SIGHT

A. HOMOGENOUS MIXTURE

B. HETEROGENEOUS MIXTURE

A.