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