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