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