A) It is composed of electrons and neutrons B) It is composed of protons and neutrons C) It is composed of protons and electrons D) It is composed of protons only
A) - B) + C) 0
A) have an equal number of electrons and protons. B) have neutrons in their nuclei. C) have an equal number of neutrons and protons. D) have an equal number of charged and noncharged particles.
A) burning wood B) digesting food C) cooking eggs D) breaking a pencil
A) Discovery Date B) Alphabetical Order C) Atomic Number D) Atomic Mass
A) Valence Electrons B) Neutrons C) Protons and Neutrons D) Protons
A) density B) color C) pH D) shape
A) eight protons in its nucleus. B) eight neutrons in its nucleus. C) a total of eight neutrons and electrons. D) a total of eight protons and neutrons.
A) protons. B) neutrons. C) protons plus the number of electrons. D) protons plus the number of neutrons.
A) They form negative ions with a -1 charge. B) They are extremely nonreactive. C) They are usually gases. D) They are located in the left-most column of the periodic table.
A) a basically nonreactive. B) They are highly reactive with both metals and nonmetals. C) They form compounds with very bright colors. D) They are extremely rare in nature.
A) are all metals B) exist in all three states of matter in normal conditions C) are nonreactive D) have only 1 valence electron
A) On the left-most side. B) In the middle column of the periodic table. C) On the right side. D) In the bottom rows.
A) location; ionization B) number; mass C) mass;number D) color; smell
A) 3 neutrons B) 8 neutrons C) 6 neutrons D) 12 neutrons
A) Alkaline Earth B) Alkali Metals C) Noble Gases D) Halogens
A) Halogens B) Akali C) Alkaline Earth D) Noble Gases
A) Halogens B) Alkali C) Alkaline Earth D) Noble Gases
A) Halogens B) Alkali C) Alkaline Earth D) Noble Gases
A) 2 B) 3 C) 4 D) 5
A) metals B) nonmetals C) metalloids
A) Einstein B) Mosely C) Ms. Watson D) Mendleev
A) according to atomic number B) alphabetically C) by date discovered D) According to atomic mass
A) Atomic Number B) Atomic Number-Atomic Mass C) Atomic Mass-Atomic Number D) Atomic Mass
A) Atomic Mass-Atomic Number B) Atomic Mass C) Atomic Number D) Atomic Number-Atomic mass
A) neutrons B) protons C) nucleus D) electrons
A) reactivity B) color C) flammability D) pH
A) crushing B) adding dye C) burning D) breaking
A) only can be seen in a few elements B) can be observed with senses C) can only be observed by changing the substance D) vary within the same element
A) cn only be observed by changing the substance B) can be observes with the senses C) only can be observed in a few elements D) vary within the same element
A) chemical B) physical
A) physical B) chemical
A) it will sink B) not enough information C) it will float
A) meters B) hours C) kilograms D) grams
A) precise B) nethier accurate or precise C) accurate D) both accurate and precise
A) 1/100 B) 100 C) 1,000 D) 1/1,000
A) independent B) control C) dependent D) constant
A) fertilizer B) strawberries C) growth D) length of study
A) dependent B) control C) constant D) independent
A) graduated cylinder B) beaker C) tongs D) stirring rod
A) 0 B) 10 C) 13 D) 16
A) 19 B) 35 C) 18 D) 17
A) 26 B) 10 C) 12 D) 14
A) 8 B) 2 C) 18 D) 10
A) 5.7 amu B) 0.57 amu C) 115 amu D) 57 amu
A) 1 B) 3 C) 2 D) 4
A) Dalton B) Rutherford C) Thomson D) Bohr
A) Rutherford B) Thomson C) Chadwick D) Democritus
A) Shrodinger and Heisenburg B) Rutherford C) Bohr D) Thomson
A) Dalton B) Thomson C) Rutherford D) Bohr
A) Atoms combine to form compounds in simple whole number ratios. B) Atoms of the same element are exactly alike. C) All matter is made of atoms.
A) Chadwick B) Rutherford C) Dalton D) Bohr
A) The mass of protons and neutrons are much smaller than the mass of the electron. B) The mass of electrons is much smaller than the mass of protons and neutrons. C) Electron number never changes. D) Electrons are positively charged.
A) larger mass B) positive charge C) smaller mass D) negative charge
A) neutrons B) electrons C) protons D) positrons
A) 72g/ml B) 1.33g/ml C) 3g/ml D) 0.33g/ml
A) 10.7g B) 0.094g C) 17.5g D) 24g |